Air date: 12/3/85

An Ice King who has been frozen for 1,000 years is suddenly awakaned and is wreaking havoc on Hook Mountain.

Good and Ugly

Air date: 12/4/85

Two aliens arrive in spaceships and fight near Cats Lair and Lion-O must learn a lesson about first impressions.

The Transfer

Air date: 12/5/85

An unknown ship containing a dangerous radioactive device approaches Third Earth.

Divide and Conquer

Air date: 12/6/85

Vultureman creates a voice imitator and the Mutants use it to trick the ThunderCats into splitting up to trap and destroy them.

Dream Master

Air date: 12/9/85

Mumm-Ra assumes the form of a Dream Master to take control of the ThunderCats unconscious selves.

Out of Sight

Air date: 12/10/85

Willa is captured by the mutants so Tygra makes himself and Nayda invisible to infiltrate castle Plun-darr not knowing the consequences.