Voltron: The Third Dimension

Season 1, Episode 6

Episode Title: Shades of Gray

Air Date: 1998-11-07

Overview:

Haggar casts a spell on Hunk, turning him against the rest of the Voltron Force. The spell also turns Yellow Lion into a destructive Gray Lion. The rest of the team have to find a way to save Hunk and rescue Amalgamus from Lotor.