Air date: 12/11/85

Out of sheer boredom Lion-O climbs a mountain. The mutants decide to attack putting themselves and the ThunderCats in danger.

The Superpower Potion

Air date: 12/12/85

Vultureman creates a potion that grants the drinker super powers.

Eye of the Beholder

Air date: 12/13/85

The ThunderCats create a fake Sword of Omens and use it to trick the mutants, the plan backfires when Snarf is captured.

Lion-O’s Anointment Final Day: The Trial of Evil

Air date: 12/16/85

Lion-O must defeat his greatest enemy, Mumm-ra, to complete the trials.