G.I. Joe: A Real American Hero (1983)

S02E19 My Favorite Things

Wet-Suit and Leatherneck have always been at odds, but their fierce rivalry takes a backseat when Serpentor starts gathering artifacts from his past to enhance his strength. In a twist of fate, Leatherneck gets poisoned while attempting to thwart Serpentor's plans. Now, Wet-Suit must set aside his grudges and team up with Lifeline, as they embark on a dangerous mission to retrieve an antidote from Serpentor's blood to save Leatherneck's life.