G.I. Joe: Season 1, Episode 2
The Pyramid of Darkness: Part 2 - Rendezvous in the City of the Dead (17 Sep. 1985)
G.I. Joe sets up temporary headquarters on the U.S.S. Flagg. On the Delta Space Station, Dusty, Buzzer and Mutt work to warn the Joe team about Cobra's plan to plant cubes at strategic locations in order to create the pyramid of darkness.