 The staff of the television series was brought back to work, after they had already completed work on the third season of the series, to animate the two part episode, which replaced the original season three finale, "The Burden Hardest To Bear", which aired three months earlier.In advertising for the two part story, Marvel Productions and Sunbow Productions treated this like a television event, with a ten-second announcement that played just before the end credits on the series for two weeks before the episodes aired, and a 30-second commercial to be aired during other programs.While testing a new heat- and radiation-resistant alloy in deep space, scientists Jessica Morgan and Gregory Swofford stumble upon an Autobot shuttle about to crash into a nearby star.