Original Airdate: ?/?/1983
The Fertile Plains are in danger of major floods, due to the Dam of the Ancients bursting, so He-Man, Battle Cat and Man-At-Arms race to save the farmers. The farmers tell how a hooded man who came to them, offering some seeds, which grew to giant vines, destroying the dam. The Sorceress appears to He-Man and tells him to head back to the Royal Palace. He-Man and Battle Cat arrive to find the Royal Palace overrun with vines, and its inhabitants all taken prisoner. At Castle Grayskull the He-Man, the Sorceress and Orko converse with Skeletor, neither have a clue as to what is going on, until Evilseed appears. Skeletor watches as all of his available warriors are taken prisoner. The Sorceress determines that the forces of good and evil must combine their powers at Castle Grayskull in order to defeat Evilseed. Whilst He-Man creates a giant ice ball from Ice Mountain, Skeletor arrives at Castle Grayskull. He-Man returns to Grayskull and along with the Sorceress, Skeletor and Orko all make their way to the turret. They destroy the ice ball causing it to snow, thus destroying Evilseed.
Synopsis by Zadoc Angell