Camp Lakebottom

S02:É15 - S02:E15 - Who's Ghouling Who?

Eager to beat out Gretchen for the title of ‘Scare and Freak Champ’, McGee accidentally summons Percy, a ghost who secretly helps Gretchen prank McGee. When Gretchen finally reveals her invisible prank partner, McGee challenges them to a skullball tournament. But when Gretchen disagrees with Percy’s fiery way of edging out the competition the game goes up in flames.