‘’Return to Thundera, Part 1 is the one hundred and eleven episode of ThunderCats (original series)

Return to Thundera, Part 1
Original Airdate September 4,1989
Episode Number 111
Written By Peter Lawrence
Season 4


The Ancient Spirits of Evil give new life to Mumm-Ra and Ma-Mutt, send them to New Thundera, and build a new Pyramid for Mumm-Ra.

The Thundercats say goodbye to Third Earth and depart for Thundera, leaving Tygra and Pumyra behind to watch Cat's Lair and the Tower of Omens.

The ThunderCats soon arrive and begin plans to build a new lair. Mumm-Ra meanwhile learns that the planet's gravity is controlled by the Gyroscope under the Churning Rocks at the center of the planet and will use this knowledge to destroy the Thundercats and trick the Gyroscope's guardian, the ancient sorceress Jagara.




Main Characters
Guest Characters


Episode Navigation

Previous episode:
"The Last Day"
ThunderCats Season Guide Next episode:
"Return to Thundera, Part 2"

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