G.I. Joe [Snake-Eyes; Scarlett; Lift-Ticket; Duke; Roadblock; Jinx; Hardtop; Rock & Roll; Clutch]; Pale Peony; Granny Demon; Cobra [Cobra Commander; Doctor Mindbender]; Destro; Baroness; Iron Grenadiers; Timber
Snake-Eyes receives a replacement cabin in the mountains and discovers the grandson of his pet wolf Timber living nearby. The Joes find a hidden passage in the Pit. Jinx and Pale Peony meet with Granny Demon in Tokyo. Cobra Commander organizes a rally and Destro drills his forces for an inevitable clash with Cobra.