Panthro finally joins the team, but his gruff demeanor intimidates Lion-O. Despite his best efforts, Panthro can’t dissuade the Cats from following him on a mission to get Thundrillium to fuel the Thundertank. Plus, a mission leads Panthro to his old nemesis: Grune!
ThunderCats “Old Friends” airs this Friday, August 19 at 8:30/7:30c: