Lion-O frees the child Thundercats from Mumm-Ra's spell, and then confronts him to retrieve the fabled Book of Omens.
Did You Know?
The Cave of Time is shown to age whoever enters it in spurts accompanied by a turquoise flash, but in its introduction in "Trouble with Time", it had a gradual, subtle effect on its victims. See more
[of the animal-controlling device
Play the flute, Lion-O. And wake me when it's over.