Bionicle 3: Web of Shadows (2005)

Plot

The Toa Metru arrive back in their once-majestic city of Metru Nui, only to discover it lies in shambles, besieged by the terrifying Visorak swarm. After being captured and turned into grotesque Toa Hordika, the heroes face a race against time to uncover a legendary figure from their lore. They must reverse their horrifying transformations and reclaim their true selves before the primal instincts of their new forms consume them completely. With destiny hanging in the balance, they embark on a perilous quest to save themselves and their city.