The New Adventures of He-Man - Season 1 Episode 4 Attack on Onnor
Overview: He-Man saves Grot's garden from an attack by Hoove and Karatti. Meeting Werban in the Oasis, Skeletor tricks him into lowering Onnor's shield of protection so that Hoove can lead the Evil Mutants to invade Onnor under the cover of a peace talk.