G.I. Joe: A Real American Hero (animated series) by BarkerC

Question 4

Because formulas are a good thing, the first full season of G.I. Joe: A Real American Hero kicks off with a five part mini-series in which Cobra captures a G.I. Joe space station in order enact Cobra Commander's plan to use the station and a series of four cubes deprive the world (OK, Northern Hemisphere, given the vagaries of geometry) of electricity. What was the name of this Cobra plan?

The Pyramid of Darkness