“You Don't Know Jack”
Season 4, Episode 17
March 11, 2015
Patrick Bottaro & Chris Phillips
When Jerry disrespects Jack’s authority as a sensei and throws an unauthorized party at the dojo, Jack suspends him from taking his black belt test. A frustrated Jerry makes a wish that Jack never came to the dojo, and when it comes true, he sees what life would be like if Jack had never been a Wasabi Warrior.
- Leo Howard as Jack Brewer
- Dylan Riley Snyder as Milton Krupnick
- Mateo Arias as Jerry Martinez
- Jason Earles as Rudy Gillespie
Special Guest Star
- This episode features an alternate universe, showing that if Jack accepted Ty's offer in Wasabi Warriors, he and Kim would turn evil and Rudy would have lost his dojo.
- Despite the title, Jerry is the main character of this episode.
- As of this episode, Jerry is a black belt.
- This episode reveals that Ty has 17 toes (though it might have been part of the dream).
To view the You Don't Know Jack gallery, click here.