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BIONICLE: Mask of Light is a 2003 All-CGI Cartoon film by Creative Capers and Miramax. It marks the final chapter of BIONICLE's Chronicles era.

Preparing for a Kolhii game tournament, two friends, Takua the easygoing Chronicler and Jaller the stern Captain of the Guard, discover the Great Kanohi Mask of Light. The mask's inscriptions foretell the arrival of the mysterious Seventh Toa, the Toa of Light, who will join the island's six element-wielding Toa Nuva heroes and begin the awakening of Mata Nui.

Makuta, believing that keeping Mata Nui asleep actually protects the Great Spirit, releases his ultimate threat, the six vicious Rahkshi to steal the mask and stop Takua and Jaller from finding this legendary warrior. The Toa Nuva protect the two friends on their journey but they seem to be losing their unity as they suffer defeats and see villages fall. Takua has to decide if he is ready to accept the responsibility of his quest and finally find his own story.

The BIONICLE franchise began in 2001, envisioned by its creators as a "movie franchise without a movie". Its first two arcs, the Quest for the Masks and the war against the Bohrok Swarms (and the Bohrok-Kal filler arc that leads directly into this film) were told in various media, such as comics, online games and animations, promotional CDs, magazines and the Chronicles book series. Mask of Light is notable for being LEGO's first feature length movie and for establishing a more focused and meaningful narrative for the franchise.

Written mainly by Story Team leader Bob Thompson and franchise newcomer Henry Gilroy, the film marks a turning point for BIONICLE, concluding its first grand storyline, the Island of Mata Nui saga, and setting up the following prequel era. It is also the final story that co-creator Alastair Swinnertown worked on before he left the brand. Production info suggests the film originally had a very different ending, revealing many of the franchise's early mysteries. The film alludes to these secrets, but most would ultimately be revealed only in later sagas.

BIONICLE: Mask of Light features the following tropes:

• Achievements in Ignorance: Takua accidentally drops the Ta-Koro's totem into lava. The totem breaks and reveals the Great Kanohi mask sealed inside.
• Adaptational Attractiveness:
  • To work around the toyline having everyone use the same bodies and masks regardless of gender such that no one had Tertiary Sexual Characteristics, Gali and Hahli's masks are given more rounded features and slimmed out near the bottom to come across as more obviously feminine, Hahli's in particular coming across as conventionally cute. Gali is also slimmed down aside from her pelvis to evoke Hartman Hips.
  • Pohatu's toy has its torso flipped upside-down compared to the other Toa^note the other six Toa feature a gimmick where turning a gear on the backs makes one or both of their arms swing back and forth; Pohatu's toy flips his torso to make the gear control his right leg such that he has a kicking gimmick instead, accidentally making him come across as fat. The movie design ignores this aspect and gives him the same faux-muscular physique as the rest of the Toa
• Adaptational Personality Change:
  • The Onua of the books and comics was quiet and wise, and considered something of a Gentle Giant due to being the physically strongest of the Toa. He also had a knack for rescuing others and was described as always taking the least risky action in battle. Here, Onua Nuva has been turned into something of a loud and overly proud Boisterous Bruiser who seems to laugh and shout every line he speaks, rushes into battle without hesitation and one of his reckless moves ends up destroying his own village and nearly killing himself alongside Pohatu.
  • Jaller's boasts of being Captain of the Guard can seem like an Informed Attribute in the movie due to having Adaptational Comic Relief given to his character, when in the books, comics, and the Mata Nui Online Game, he was far more serious and no-nonsense.
  • Hahli, who was described as shy in other media, has a more feisty and confident personality in the movie.
  • Lewa is more whimsical and wise than his rather immature self from the books and comics. Rather than being snarky, restless and reluctant to work in a team, he is more of an emotional and inspirational character who favors teamwork.
  • Takua was written as a irresponsible, goofy and rather dim to contrast with Jaller's Straight Man, whereas in previous and arguably every other incarnation he is an adventurous Guile Hero.
• Adaptational Superpower Change:
  • Lewa, the Toa of Air can activate the fire power of Tahu's Magma Sword as part of a ritual to cleanse Tahu's poisoned mask. In most other canon media, element-weilding characters can only channel their own elements regardless of whose tool they're using.
  • Gali is shown floating during meditations, even though she isn't using her Mask of Levitation in these instances.
  • Onua levitates massive rocks with an energy beam, which is either meant to showcase his power over earth or his Mask of Strength. But in other media, Onua controls the ground and soft soil rather than hard rock (that would be the specialty of Pohatu, Toa of Stone) and his mask requires physical touch. There is a mask that allows levitating objects, the Mask of Telekinesis, but Onua isn't wearing it.
• Adaptational Ugliness:
  • The Rahkshi toys don't look much different from other BIONICLE sets from the time, and contain all of their organic components in the pods for their Kraata on their backs. Here, the Rahkshi feature lots of exposed muscle structure with many of their previously-angular features and more mechanical components being redesigned to evoke insect shells, which feature signs of corrosion. The more snake-like Kraata design not only supplies the formerly-metal spine, but also supplies the Rahkshi eyes with both the Rahkshi head and Kraata head having a Flower Mouth, the former opening up whenever the latter hisses.
  • Makuta's toy is mostly intimidating in size, with his bulky anatomy still being humanoid. This Makuta's patina-coated body features digitigrade legs and spindlier limbs, with his mask covering less of what's behind it to essentially mean he can see bits of his skull at times.
• Adaptation Dye-Job:
  • The Toa all have various color changes, some of which carry over to the Matoran of their respective villages:
    • The group all have their silver (or gold, in the case of the Seventh Toa) abdomens changed to match their respective primary colors, with Gali having her silver chestplate and shoulderpads changed along with her abdomen.
    • Gali's blue and Lewa's green are both darkened, while Onua's black and Pohatu's brown are both made brighter (which in the case of Pohatu ends up matching the brown used for several of the Po-Matoran).
    • Tahu, Kopaka, and Onua all have their differently-colored limbs (orange, gray, and dark gray respectively) changed to match their primary colors.
    • The Seventh Toa Takanuva is not only changed from white with gold armor to gold all-around, but said gold is a much lighter shade.
  • All of the Matoran from Ta-Koro and Ga-Koro have their colors darkened, most notable with Takua's light blue mask now matching Hahli's dark blue, while the Po-Matoran are brightened. Po-Matoran Hewkii oddly inverts it, where the browns found between him and Pohatu on the toys are swapped here such that he's the darker one.
  • The Rahkshi not only have most of the gray from their color schemes replaced by whatever their primary color was, but said primary color is made much darker (barring Vorahk's black being as dark as it could have already gotten). The decision to make the heads of Kraata fit into the heads of the Rahkshi armor as opposed to merely fitting into the pods on their backs means the group go from the toys' unified red eyes to each of the six having their eyes be whatever their Kraata's eyes were, and even then, only Guurahk and Lerahk's Kraata match the color of the toys (though Vorahk and Kurahk's purple Kraata match the Shadow Kraata included in special versions of their sets).
  • The black mask and bright red accents from Makuta's set are both replaced with a dark red with green patina, some of which appears on his toy's fully-gray torso and limbs.
• Adaptation Explanation Extrication: The opening narration makes it sound like the Mata Nui island is where the current generation comes from. The later reveals that Takua was Toa Takanuva in hiding, and that the real goal was opening the way to Metru Nui instead of awakening the Great Spirit can come off the surprise due to the events taking place 1000 years after the Great Cataclysm, with all context before current events glossed over.
• After-Action Healing Drama: The Toa having to save Tahu from The Corruption that has fully turned him a raging sickly green faced mess after the fight at Onua's village. It's painful for him, draining for Gali, and saddening for Lewa to witness his brother suffering a near-death healing like that.
• All or Nothing: Everyone decides to abandon safety and to go cheer on the Toa of Light during the final battle. Makuta promptly closes the exit behind them and comments that if he wins, there will be no hope left.
• All There in the Manual:
  • The movie mostly averts it and does a pretty decent job introducing the world and plot-relevant lore of BIONICLE to casual viewers, but the Fusion Dance that happens after Takanuva and Makuta fall into the pool of silvery liquid can feel pretty random since it's not explained what causes it. It's called Energized Protodermis and it's the same Sentient Phlebotinum that evolved the Toa Mata into their current "Nuva" form.
  • Tahu being able to project a force field around himself and those nearby might seem like a random power to those unfamiliar with the Toa's mask powers and specifically their enhanced Nuva version that allow power-sharing.
• Autobots, Rock Out!: Some of Tahu's actions (i.e. saving Takua from the lava flow, attacking one of the Rahkshi in Ta-Koro) are punctuated by the blaring of an electric guitar.
• Back from the Dead:
  • Takutanuva revives Jaller near the end of the film with his new powers.
  • Immediately after his Heroic Sacrifice, Takanuva's mask is picked up and he gets fully revived.
• Bait-and-Switch:
  • When Kopaka falls and is briefly knocked out during his first clash with the Rahkshi, the shot composition makes it look like one of his own swords has fallen onto him impaling him to death, but he wakes up in the nick of time and freezes the enemies in a lake before they can lay a finger on Takua.
  • Combined with a bit of Scary Shadow Fakeout, Jaller hangs from a cliff before hearing and glimpsing something approaching and braces himself for the worst... only for Takua and Pewku to reveal themselves and pull him up to safety.
• Bears Are Bad News: During their trip through the jungle of Le-Wahi, Takua and Jaller are attacked by an Ash Bear. However, Toa Lewa intervenes to break up the scuffle revealing that the bear is a Non-Malicious Monster that attacked to defend her territory, and he lets her go after pacifying her.
• Big Damn Heroes:
  • When Takua is about to get swallowed by lava, Tahu appears out of nowhere and picks him up.
  • When the Rahkshi chase after Takua as the Matoran attempts to escape Onu-Koro, Pohatu throws his climbing claws at the leading Rahkshi, stopping it from chasing Takua further and forcing the other two to give up the chase in favor of attacking the Toa.
  • When all six Rahkshi surround Jaller and Takua giving them no way to escape, the Toa make their big entrance and fight them.
• Big Guy Rodeo: Jaller attempts to fight the Ash Bear by jumping on its back, but misses his mark and just winds up being an annoyance in a precarious spot facing the bear's hindquarters.
• Big "NO!": Takanuva shouts it after Makuta traps the Toa, Turaga and Matoran in his lair through a cave-in.
• Blade Brake:
  • Tahu uses his Magma swords to stop his and Takua's descent down the lava falls, then uses his swords to climb back up.
  • Gali uses her Aqua axes to stop herself from falling through the Ta-Koro entrance into the volcano below.
• Blunt "No": Kopaka's dry response to Jaller asking if he has heard of his and Takua's mission.
• Bookends: The start and end of the movie has Takua nearly seem killed off, with Jaller expressing relief he's alive before affectionately calling him "Kohlii-Head" and how he could have been reduced to bones by the two differing circumstances, with Takua confidently responding "Could have been... But I'm not".
• Bowdlerise: The version released in Germany. Although a full German dub was produced for the film, its VHS, DVD and TV broadcast releases were censored to remove shots deemed too intense for children. Among others, these include most (but not all) shots of the Rahkshi splitting their faces open, various shots of the Kraata worms, Makuta's creation of the first three Rahkshi, entire segments of the Rahkshi's attack on Ta-Koro and Onu-Koro, and Makuta's disembodied eyes floating in the darkness after Takua rejects his offer. In fact, according to one of the creator commentaries, German censorship demands affected the film's original version too, as they had asked most shots of Makuta's lair to be changed from the original red tint to green. The uncut German dub was archived by fans in late 2025, a whopping 22 years after the film's release.
• The Cameo: Jaller and Takua encounter some frozen Bohrok in Ko-Wahi.
• Character Narrator: The opening and ending narrations are done by Turaga Vakama.
• Chekhov's Gun: The Kolhii game shown in the beginning of the movie is a challenge Makuta picks for the climatic duel. Takua even uses the same jump-flip trick.
• Classical Tongue: The writing on Great Kanohi is considered ancient enough that only Turaga can read it, compared to other signs that Takua can read just fine.
• Converging-Stream Weapon: Three of the Rahkshi attempt to kill the Toa Nuva by using their staffs to shoot a powerful beam of energy at them, but by virture of the Toa's unity they fail.
• The Corruption: Tahu was already bitter, but after being poisoned by the Rahkshi Lerahk, he gets increasingly aggressive and his face starts to get colored green. Later, he attacks Gali and has to be cured.
• David Versus Goliath: Makuta is over twice times tall than everyone else, yet Takanuva beats him.
• Deflector Shields: Early on, Tahu generates one to protect himself and Takua from a flow of lava falling on them. Later at the start of the final battle against the Rahkshi, the Toa repel the enemy fire by combining their powers to create a big shield against it.
• Doomed Hometown:
  • Ta-Koro gets pillaged by Rahkshi shortly after Takua and Jaller leave. Tahu and Gali fail at defense and at best manage to evacuate everyone before it sinks under lava.
  • Later, Ko-Koro is also partially damaged by the Rahkshi looking for the Mask of Light-carrying Matoran, and Kopaka prioritizes helping his village over accompanying the two any further.
  • Onu-Koro also suffers from some cave-ins when the other three Rahkshi attack to find Takua, who fully understands and accepts that they're not looking for the Mask but him.
• Dude, Not Funny!: Jaller gives Takua a nudge to stop his Copycat Mockery of Turaga Vakama while the latter is giving them wise parting words before the start of the journey.
• Epic Fail: Takua...
  • Because the stones he hopped on to reach the totem containing the Mask of Light have sunk, Takua attempts to surf across the lava river on his board, screaming and furiously running to gain all the momentum he can... but ends up not even making it halfway through.
  • His botched special move during the Kolhii match, which only results in almost hitting the Turaga with the ball and embarrassing his team. It does come in handy later when fighting Makuta, though.
  • His choice of not running and charging at the Rahkshi during their siege of Onu-Koro is admirable... but he immediately loses his Kohlii stick after swinging and missing a hit before getting roared at up close.
• Explain, Explain... Oh, Crap!: This bit after Onua deals with the Rahkshi by collapsing the ceiling on them:
  Pohatu: Well done! But how did you keep the ceiling from... (debris rains down on them as well) ...COLLAPSING ON US TOO!
• Facepalm: Toa Tahu does this during a Kolhii match after Jaller dives right out of the way rather than blocking the oncoming Kolhii ball. Amusingly, earlier, Jaller made a variation by hitting himself in the head with his Kolhii stick after Takua's attempted special move has hurled the ball out of the arena and accidentally bonked onto Turaga Vakama's head.
• Fictional Sport: Kolhii is a lacrosse/hockey-like sport where three teams of two try to grab a ball with a specialized stick and throw it to any opposing two gates.
• Flower Mouth: The Rahkshi's metallic heads open up revealing the grotesque flower mouth-ed faces of the Kraata whenever they roar.
• Foreboding Fleeing Flock: Gali's meditation is interrupted by birds flying away from the Ominous Clouds that herald the Rahkshi.
• Foreshadowing: It's said that Great Kanohi is The Chooser of the One that shines to show the one who can deliver it to the Toa of Light. Makuta also can sense that the Toa of Light has "started the crusade". Turns out Takua is the Toa of Light.
• Free-Range Children: Takua casually decides to visit a volcano shrine before the Kolhii match. If Tahu wasn't there, he would have burned to death. Justifiably, the Toa of Fire tells both him and Jaller "No more sightseeing".
• Freeze-Frame Bonus:
  • Unintentional examples but Gali has some unique features that are barely noticeable. Her mask's sides can extend for the few shots when she's underwater, making her look more accurate to her toy. They can be seen moving for a few frames when she pops her head out of the waterfall. Her Mizuni Rotors, two tiny propellers that flip out from her wrist, are only seen in one brief shot as she swooshes past the camera.
  • Makuta's full unmasked head is clearly visible for just one frame as he tumbles into the Energized Protodermis pool with Takanuva. It looks like the head on his toy, a Toa head flipped up and backwards, but with a solid flat surface replacing the eyes.
• Fusion Dance: When Takanuva tries to take Makuta's mask off and they fall into a pool, they both merge into one being, who is a mix of both personalities but is on the side of good. They get separated later.
• Gate Guardian: In the final act, Makuta proclaims himself "the shadow that guards the gate", which is the first time both in the film and the wider franchise as a whole that any sort of gate that Makuta guards is referenced. It reveals the way to the ancient abandoned island city Metru Nui, original home of the Matoran and Turaga — this is left sort of vague in the film but described in more detail in the film's Revised Ending shown on Cartoon Network Australia.
• Giant Flyer: Lewa helps Jaller and Takua reach Ko-Wahi by taking them on a Gukko bird ride.
• Good Is Not Soft: Jaller is an empathic, level-headed Nice Guy, but he darkly readies himself to slay the Ash Bear Lewa immobilized before being talked out of it.
• Hammerspace: All characters draw their tools and weapons from here, usually by reaching over their shoulders and pulling the item out. The film then cheats in the battle at the Great Temple, where the Toa facing away from the camera proceed to pull their weapons from in front of them!
• Hand Signals: Takanuva stops and quietly raises his hand in a "halt" gesture to Hahli when they reach Makuta's hideout.
• Handshake Substitute: The Toa greet/physically connect each other via fist bumps.
• Harmless Freezing: Kopaka is forced to do this to Tahu in order to stop his Corruption-driven rage, bluntly but genuinely apologizing for it, before he and the rest of the Toa carry Tahu to safety.
• Heartbeat Soundtrack: A slow heartbeat is heard as Jaller breathes his last and hands the mask to Takua. It happens again when Takutanuva brings him back to life.
• Hold Your Hippogriffs: When Jaller tells Takua to hurry up after finding the Mask of Light, Takua replies "Hold your Rahi, I'm coming!"
• Honor Before Reason: Jaller briefly grabs this when Kopaka gives him and Takua his shield to Shield Surf away from the incoming Rahkshi. Jaller stands his ground declaring "The Captain of the Guards never runs!" which forces Takua to drag him.
• Horse of a Different Color: Jaller and Takua often journey through Mata Nui on top of Pewku, who looks like a giant crab. They also ride a Gukko bird.
• It's the Journey That Counts: Turaga Vakama makes it clear to Takanuva that the point of the quest was for him to accept his destiny.
  "You have finally found your own story, and still you seek answers. Mata Nui is wiser than all. The path you walked was not to be here (indicates Kini-Nui), but in here (indicates Takanuva's heart)".
• I Will Wait for You: Before leaving, Jaller wants to tell Hahli something, but then promises a Kolhii rematch.
• Jump Scare: Occurs when Takua and Pewku are climbing out of Onua's village and a Rahkshi suddenly bursts through the wall inches away from them.
• Knight Templar Big Brother: Makuta has deluded himself into thinking that keeping the Great Spirit in eternal sleep is "protecting" him from disturbances.
• Laser-Guided Karma: Takua fools everyone into believing that Jaller is the herald of the Seventh Toa to avoid his own duty and the quest, but before he can sneak away, Jaller holds him still declaring that Takua has volunteered to join him in order to be his Chronicler.
• Lava Surfing: Gloriously done by Toa Tahu when he saves Takua from the lava flow he triggered after finding the Mask of Light. He does it again with Gali when they need to escape the sinking Ta-Koro.
• "Leave Your Quest" Test: In the caves, Makuta telepathically tells Takua that they are going to their deaths, but if he gives up the Mask they'll be able to go home. On top of rejecting temptation, Takua chooses to abandon Jaller and the mask and goes to Onu-Koro alone. Takua goes to seek Jaller later.
• Levitating Lotus Position: Gali does this during her meditation after learning of the Seventh Toa's imminent arrival via the discovery of his mask and upon seeing a seventh star appearing in a constellation that represents the Toa. Later, she does it again while waiting for Tahu to wake up after his healing.
• Little Stowaway: Hahli decides to sneak onto Takanuva's Ussanui into the final battle to be his Chronicler.
• Loyal Animal Companion: Pewku, Takua's a giant crab-like Rahi pet who behaves like a dog and is willing to follow Takua even across the island.
• MacGuffin Escort Mission: Takua and Jaller are sent off to find the Toa of Light with the help of the Great Kanohi mask, initially without the help of other Toa.
• MacGyvering: The Toa create Takanuva's Hover Bike by assembling the Rahkshi armor and their own weapons together.
• Mask of Power: The titular Mask of Light, the Great Kanohi Avohkii drives the plot but all the Toa, Turaga and Makuta wear their own Kanohi Masks of Power as well, although not all of their abilities are showcased. The prequel, Legends of Metru Nui, reveals that Jaller's mask has been a Mask of Power all along as well.
• Mundane Utility: The Mask of Light shines brighter when taking the correct direction. Specifically, towards Takua. Later on when Takua and Jaller need to navigate the darkened Onu-Koro highway without lightstones, Jaller asks "Who needs lightstones?" and enters the tunnel using the Mask as a flashlight.
  Vakama: Trust in the Mask, let it be your guide.
• My God, What Have I Done?: A distraught Takua mutters "What have I done?" to himself when the Rahkshi attack Onu-koro while looking for him, causing him to become Tired of Running from his duty and bravely attempts to fight them back, before leaving to go find Jaller and resume his mission.
• Myth Prologue: The film opens with a narration about the Great Spirit, who invited the Matoran to Mata Nui island and gave them purpose, before getting captured by Makuta.
• No Name Given: The individual Rahkshi are only referred to by their powers when Makuta creates them, rather than their actual names, and Graalok the Ash Bear is only named in the credits. Three of the Rahkshi, Lerahk (green), Panrahk (brown) and Turahk (red) are named by Takua's narration in the Mata Nui Explorer DVD bonus feature at least, although the erroneous spelling "Larahk" is used for both Lerahk's and Turahk's description, and the word "fear" is written above Turahk's icon rather than its actual name.
• Non-Indicative Name: The seventh Toa, Takanuva, is neither the seventh Toa, nor a Nuva despite his name. He's technically a "standard" Toa who merely has armor resembling that of the Toa Nuva, but he doesn't have Nuva-level power. Later stories revealed that there were about fifty or so Toa alive across the Matoran Universe at the time of this movie, while hundreds of Toa have lived before.
• Non-Standard Character Design:
  • The Bohrok are more-or-less faithful representations of the original LEGO models, in a movie where every other character has been redesigned to look more organic and less like buildable action figures. They were actually the first characters to be designed for the movie, and ended up having a mere cameo, frozen in ice.
  • The director commentary on the DVD points out that Graalok the Ash Bear is nearly completely mechanical, as opposed to other animals that blend both mechanical and organic elements just like the main characters. This was meant to tie into a larger theme of animals changing from part-organic to fully robotic, which was ultimately never explored in the rest of the franchise.
• Percussive Maintenance: A variant. Upon arriving at the Great Temple, a nonplussed Takua wonders if the Mask of Light is working right and shakes it up a bit before it shoots a blast of light that partially destroys the giant statue head, which they assume must be a clue that the Seventh Toa is close. They're interrupted by the Rahkshi, but after they're defeated and Takua becomes Takanuva, he fully blasts the statue revealing his own Matoran face beneath it, fully representing that he was the Chosen One all along.
• Perilous Old Fool: Turaga Vakama has a moment of this during the siege of Ta-Koro since he seemingly chose to stand his ground instead of sticking with the others to evacuate together and strikes a Rahkshi with No-Sell hits on the head with his staff after being cornered. The Rahkshi looks more confused than anything else. It would've likely ended badly for him if Tahu didn't intervene.
• Pillar of Light:
  • Takanuva has Jaller's mask to float in mid-air inside a pillar of light.
  • In the ending, Hahli and Jaller place themselves on platforms that represent the three virtues, activating pillars of light from each, and Vakama places Takanuva's mask in the middle circle unleashing a larger pillar of light that resurrects him.
• Plot-Mandated Friendship Failure: After being intimidated by Makuta, Takua is scared that he will botch the mission and endanger Jaller, so he decides to abandon the search for the Seventh Toa, much to his friend's disappointment. After the Rahkshi attack Onua's village because of him, Takua embraces his duty and tracks down Jaller to make amends and resume the quest together.
• Purification Bathing: Tahu is temporarily corrupted and Driven to Madness thanks to a combination of Lehrak's poison and Kurahk's anger-induction. After being incapacitated by his fellow Toa, Gali is able to save him by using her powers to form a sphere of magic-infused water she uses to wash his body and purge both forms of corruption. The act visibly drains Gali and she nearly passes out — she recuperates by partially submerging herself in a nearby river, presumably absorbing the elements back into her system.
• Rage Against the Heavens: An exhausted Jaller suffering from the Plot-Mandated Friendship Failure looks at the sky to ask "Mata Nui, where does my destiny lie?!" and this is immediately followed by an earthquake that almost makes him fall from a cliff and lose the Mask of Light, at which point he mutters "Well, I guess I asked..."
• Recycled Animation:
  • At the stadium, Tahu's presentation is cheered on by a crowd of brown-colored Matoran's, then Gali's entrance is cheered on by a crowd of blue Matoran from her village, and finally Pohatu gets cheered by the exact same crowd that cheered for Tahu, except it's now mirrored.
  • The animation of Makuta Evil Gloating while walking menacingly towards Takanuva is used twice, with different dialogue.
• Red Oni, Blue Oni: Takua is flighty and adventurous (Red) while Jaller is principled and determined (Blue).
• The Reveal: Takua is not the Herald of the Mask, but is instead its rightful owner, Takanuva.
• Revised Ending: For its airing on Cartoon Network Australia in 2004, an extended ending with new narration by Turaga Vakama was added to the film to lead it more smoothly into the prequel BIONICLE 2: Legends of Metru Nui, as the transition between the two films is very vague unless you read the books and comics.
• Sacrificial Lion: Jaller, who takes a fatal dose of fear energy for Takua and proves to be the last thing holding him back from his destiny.
• Sarcastic Clapping: Jaller after Takua finishes jumping across the lava to the totem.
  Jaller: Very impressive... (stops clapping and gets irritated) Now let's go!
• Serious Business: When Takua and Jaller find the Mask of Light, Tahu states that it could be important and they must to bring it to Turaga Vakama... AFTER they win the Kolhii match, first.
• Sequel Hook: The movie ends with the reveal of Metru Nui, Vakama's "island home, refound." Some versions of the movie more directly tease the sequel by showing footage from it.
• Series Fauxnale: For fans who have been around since the beginning, the movie can come across as a Finale Movie. Makuta is defeated by Takanuva, seemingly for good, and the movie implies based on Takutanuva's words that allowing the Matoran passage into Metru Nui was awakening Mata Nui somehow. However, the storyline and toyline continued on for about seven more years and had a Continuity Reboot for two more, and the ending is very much a Sequel Hook to Legends of Metru Nui. The events of the movie does mark the end of the series taking place on Mata Nui, though.
• Ship Tease: There is quite a lot of flirtatious banter and tension between Jaller and Hahli.
• Shout-Out:
  • The basic premise of the film—of two friends journeying with a magical object while evading evil creatures sent by a dark lord—owes a lot to The Lord of the Rings. The film adaptations by Peter Jackson had just come out around the time this film was being made.
  • Though not done in the Stop Faux-tion style, the movements of Makuta and the Rahkshi were heavily inspired by the works of Ray Harryhausen by the film's production staff.
  • A very brief snippet of The Magnificent Seven's score plays when the Ash Bear gives Jaller a "rodeo".
  • Makuta's portrayal was based on Marlon Brando's performance as Colonel Kurtz from Apocalypse Now, one of executive producer a BIONICLE co-creator Bob Thompson's favorite films. Makuta monologuing in near complete darkness and Takutanuva slowly rising from the Energized Protodermis pool are direct visual homages to the film.
• Sibling Rivalry: Due to Fire/Water Juxtaposition, Tahu and Gali keep snarking at each other. The Turaga feel it's a bad sign.
• Sore Loser: Tahu gets so mad over his team losing the Kolhii match that he refuses to fist-bump with Pohatu.
• Stealth Hi/Bye: Kopaka disappears like this during Gali's Purification Bathing after she asks him if they have lost their unity. He left to go find Onua and Pohatu so that they can all be reunited in time for their Big Damn Heroes moment.
• A Storm Is Coming: Gali observes Ominous Clouds following the Rahkshi from above as they fly towards Ta-Koro.
• Taking the Bullet: Jaller takes a hit by Rahkshi for Takua and dies.
• Temple of Doom: Takua, the Chronicler, decides to visit the Ta-Koro volcanic shrine to inspect an ancient totem. Him picking it up activates a pressure plate that causes an earthquake and a massive lava flow.
• Tempting Fate:
  • Tahu questions why a new Toa is arriving when Makuta's forces have been defeated. In the very next scene, Makuta creates new minions.
  • Onua and Pohatu ask who Rahkshi even are, moments before Rahkshi break into Onu-Koro.
  • When Onua collapses the ceiling on the Rahkshi, Pohatu asks how it didn't fall on them as well. The ceiling starts to break further right away.
• Tennis Boss: Takanuva beats Makuta by catching the charged Kolhii ball and throws it back at him.
• This Is Something He's Got to Do Himself: Takanuva rejects the Toa wanting to help him face Makuta, insisting that fighting him alone is his destiny and theirs is different.
• Threshold Guardians: According to BIONICLE co-creator and concept artist Christian Faber's blog, Makuta's role is to only let The Chosen One pass the gate leading to Metru Nui. This is tied to the franchise's overarching biology metaphor that was directly inspired by Faber's health struggles in the late 80s. He compared Makuta to an illness that weakens the body (Mata Nui) until the body's immune system develops the strength to overcome it (the coming of the Toa of Light), which ultimately benefits the body in the long run. Makuta's purpose is to spread darkness and hinder the healing process until a strong-enough warrior is born who can defeat him.
• Time-Passes Montage: During the Kolhii match, the camera cuts away from the game to frame the stadium from the distance, and then fades into the same shot but with darker lighting, signaling that the duration of the match has reached nighttime.
• Took a Level in Badass: Takua's entire arc is this. He starts off as a bit of a cowardly Plucky Comic Relief, but over the course of the journey he matures up and embraces his calling, turning into the Seventh Toa to fight Makuta.
• Tyop on the Cover: The end credits misspell Hahli's name is as "Hahlii" and kolhii as "kohlii".
• The Unchosen One: When first exposed, the Great Kanohi shines while near Takua's feet, but he angles it so the light falls on Jaller, who gets selected as the mask's Herald. They both know the truth, but Takua doesn't want this responsibility because of self-deprecation. Jaller makes him join the journey.
• Unwanted Assistance: During the battle of Ta-Koro, Tahu finds himself on the ground grappling under the Rahkshi Lerahk's weapon. Gali fires a water blast to save him, but while it's in the air Tahu turns the tables and pins Lerahk. The water not only ruins Tahu's advantage, but in the tumble his mask is grazed by the Rahkshi's poison.
• Wall Crawl: The Rahkshi do this to appear more creepy and unnatural. On the heroes' side, Takua's pet Pewku can also crawl up steep walls.
• Weapon Twirling: Kopaka is shown twirling his ice blade overhead before slamming it into the lake, freezing it solid.
  Kopaka: Rahkshi, washed and chilled.
• We Have Become Complacent: The film takes place in a peaceful time when Makuta's forces have allegedly long been defeated. This causes Toa to find problems with each other instead, and they get beaten by Rahkshi in combat. The only ones who do well are Kopaka and Pohatu due to Geo Effects. They get much stronger with all six working together.
• Wham Episode: The movie's events completely turns the status quo of the series on its head: it turns out that there is a seventh Element and Toa, said Seventh Toa turns out to be Takua, Makuta is seemingly defeated for good, and the Matoran of Mata Nui rediscover and migrate to the city of Metru Nui, effectively bringing an end to the series' original setting and premise as it transitions into a new chapter.
• What Happened to the Mouse?: Pewku is last seen indicating Turahk approaching to try kill Takua during the final battle against the Rahkshi and then appears in a distant shot after Takua's transformation into Takanuva, then she just oddly disappears for the rest of the film despite her co-protagonist role as the Loyal Animal Companion up to that point.
• What the Hell, Hero?: During the Plot-Mandated Friendship Failure, Jaller chews Takua out for sticking his Chosen One duty onto him and now deciding to abandon the quest without even explaining himself.
• What the Hell Is That Accent?: Lewa speaks with one unique to the other cast members. The DVD commentary describes it as somewhere between an Irish accent and a Native American one.
• The Worf Effect: The Toa Nuva get their asses handed to them by the Rahkshi, and eventually have to hand over the duties of defeating Makuta to Takanuva. To their credit, once they fully rejoined forces in the climax they wipe the floor with the Rahkshi, showing that their lack of unity had been holding them back against this threat.
• You Did Everything You Could: Quoted by Kopaka when Gali manages to successfully cure Tahu with her water powers after the latter has been poisoned and brainwashed by the Rahkshi, but it leaves her drained and visually desaturated.
• You Shall Not Pass!: Kopaka stands between Takua and Jaller as the Rahkshi attack them in Ko-Wahi, shouting "Go!" and throwing his shield down so they can escape. Subverted when Kopaka follows them down the ravine to guide their trajectory.