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

S01E12 The Pyramid of Darkness: Rendezvous in the City of the Dead (2)

After the G.I. Joe headquarters suffers significant damage, the team sets up a makeshift base aboard the USS Flagg. Meanwhile, the Joes stationed in space attempt to alert their comrades about Cobra's scheme to position cubes at key sites, aimed at generating a pyramid that would disrupt electricity across the northern hemisphere.