Featuring: G.I. Joe
Synopsis: Cobra attacks the Joes new aquatic base and Cobra tricks the team into dropping a bomb on an underwater fault line.
Character Appearances: F: G.I. Joe--Hawk, Duke, Snake-Eyes, Roadblock, Recondo, Doc, Stalker, Gung-Ho, Torpedo, Rip-Cord, Mutt, Trip-Wire, Cutter, Snow-Job, Deep-Six, Ace, Spirit Iron-Knife, Barbecue (1st), Shipwreck (1st); GV: Cobra Commander, Zartan, Tomax, Xamot, Professor Apple, Buzzer, Cobra Soldiers
Credits: Larry Hama (Script), Rod Whigham (Pencils), Andy Mushynsky (Inks), George Roussos (Colors), Joe Rosen (Letters).