The heroic Toa return to Metru Nui to find their old enemy has taken over the city with the help of robotic spiders, the Visorak. The Toa undergo a transformation and emerge as machines made of mismatched parts, but with new powers that are essential for their journey to restore the city and themselves.

Bionicle 3: Web of Shadows
The Toa Metru return to Metru Nui to rescue the remaining Matoran, but find the city under siege by the ruthless Visorak army and its brutal leaders, Sidorak and Roodaka.