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The Last Day

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‘’The Last Day is the one hundred tenth episode of ThunderCats (original series)

The Last Day
Original Airdate September 30,1988
Episode Number 110
Written By J. Larry Carroll
Season 3


Impatient with Mumm-Ra failing them time and time again, the Ancient Spirits of Evil give him one final chance: destroy the ThunderCats within twenty-four hours, or face exile. To this end, he is granted extraordinary power by the Spirits, and grows to a gigantic size.

Mumm-Ra spreads destruction all over Third Earth, sends Tygra, Cheetara, and Panthro to limbo, and buries Lion-O alive. Then he attacks and destroys the Tower of Omens, and the Thunderkittens barely escape, but Mumm-Ra eventually finds them and sends them to limbo too. Snarf must go into the Book of Omens to find out how to defeat Mumm-Ra.

Jaga and the Thundercats in limbo go into the Eye of Thundera to help Lion-O free himself from his rocky prison. Lion-O then battles Mumm-Ra at Cats Lair and finds out from Snarf that Mumm-Ra only has until sunset to defeat the Thundercats.

Mumm-Ra fails and the Ancient Spirits of Evil banish and exile Mumm-Ra from Third Earth. With all their enemies gone, the Thundercats decide to permanently return to New Thundera.




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Previous episode:
"The Circus Train"
ThunderCats Season Guide Next episode:
"Return to Thundera, Part 1"

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