SpongeBob's Leader Hat just appears in the episodes: Truth or Square and A Pal for Gary. It's like a normal hat. It's a brown hat. In Truth or Square in the Air Ducts, SpongeBob says when Mr. Krabs tells him that he's the leader that he can finally wear this leader hat with his leaderhosen. In A Pal for Gary, you can see it in SpongeBob's House on a decoration when Gary watches TV.