As Milton prepares for his first LARP battle as King, his troop abandons him. Rudy comes to his rescue, then Jack and the gang decide to help as Milton's always been there for them.
Arthur, obnoxious son of the mall owner, joins the dojo. He upsets everyone, and after a fight with Jack his Dad tells Rudy to get rid of Jack or he'll turn the mall into a parking lot.
Rudy throws himself a birthday party, and Jack gets Bobby Wasabi to come as a surprise, but Rudy doesn't recognize the now overweight star, flips him, and gets himself fired.