ThunderCats 1985 Season 1 Episode 3 Berbils Episode Title:Berbils.Episode Description:Panthro introduces the ThunderTank, saving the others from a meteor shower – conjured by Mumm-Ra – that buries the remnants of the ThunderCats' ship. Later, Lion-O and Snarf are taken prisoner by a band of small robotic bears named Ro-Bear Berbils, led by Ro-Bear Bill and Ro-Bear Belle. They soon learn that the Berbils are being frequently attacked by the Trolligs, who steal their fruit to give to the Giantorrs.