Cubix: Robots for Everyone S02 E13 The Diehard Machine (aka Final Showdown) (2)

Dr. K sends his army of zombots to Bubble Town to attack- but shortly thereafter they attack him. Kilobot has his own plans- plans that don't include Dr. K. Now it's all out war as Maximix sacrifices himself and Cubix's cubes get disseminated amongst the Zombot army.