Episode Title:
Goodbye, Giganto Parts 1 & 2.
Episode Description:
Goodbye, Giganto! Part 1: Mount Oblivion gets clogged with a meteorite and, fearing a lava eruption, the herd is forced to move, with Giganto left behind. They friends decide to prevent this by breaking the meteor.
Goodbye, Giganto! Part 2: Giganto leaves for parts unknown. The Terminonator then takes over Cretacia, leading the friends to rebel.