She-Ra: Princess of Power

Magicats (1x62)

Air date: Dec 02, 1985

Catra's new weapon has the ground open and swallow She-Ra and herself (by accident) and they wind up in an uderground city where the cat-folk live. They were waiting for their queen (who looks like Catra) to return. She plans to use them against She-Ra while ruling them at the same time.