‘’Crystal Canyon" is the ninety seventh episode of ThunderCats (original series)


Whilst studying the Book of Omens, Lion-O learns of the Chain of Loyalty, and Jaga instructs him to recover it from New Thundera. But when Mumm-Ra breaks the chain, the ThunderCats turn against each other and Lion-O must find a way to stop them from destroying each other.

Lion-O, Panthro, Tygra, Cheetara, and the Thunderkittens set off to New Thundera to find the chain. Mumm-Ra, eavesdropping on Lion-O through his pool at the pyramid, goes to Thundera, kidnaps and disguises himself as Snarf.

When the Thundercats arrive, they split up into groups to find the chain, and Mumm-Ra goes with Lion-O and the Thunderkittens. Lion-O's group finds the chain and Mumm-Ra gets it, breaks it, and returns to his true form. Lion-O uses the sword of Omens, which magically puts the necklace back together, returning the other cats to normal. Mumm-Ra is defeated and the Thundercats return to Third Earth.




Main Characters
Guest Characters


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"The Totem of Dera"
ThunderCats Season Guide Next episode:
"Crystal Canyon"
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