He-Man and the Masters of the Universe Season 2 Episode 11
Orko is searching all over the Royal Palace for a book he has bought Prince Adam for his birthday. It soon transpires that not only this book is missing, but every book in the kingdom! The books have been stolen by a villain called Batros, who has hidden them in the Temple of the Sun. As the heroes set out to recover the books, Skeletor sends Beast Man and Trap Jaw out to recruit Batros into his army.
Episode Title: The Great Books Mystery
Air Date: 1984-09-25