ThunderCats 1985 Season 4 Episode 5 Return to Thundera Episode V Episode Title:Return to Thundera Episode V.Episode Description:After another earthquake – caused by Mumm-Ra – ruins the new Cats' Lair construction site, the ThunderCats go to see Jaguara and confront Mumm-Ra. Unfortunately, Mumm-Ra puts up a force-field over the Churning Rocks' entrance. Jaga appears to Lion-O and tells him to use the Eye of Thundera to get to Jaguara and the Gyroscope. Lion-O does so and battles Mumm-Ra, who throws him into the bottomless pit underneath the Gyroscope. Lion-O, however, manages to throw his grappling hook to the top, pulling him back up...