Johnny Test How to Become a John-i Knight/The Return of Johnny Super Smarty Pants (Season 5, Episode 10)
TV-Y7
TV Episode | 23 min | Animation, Action, Adventure

Primary photo for How to Become a John-i Knight/The Return of Johnny Super Smarty Pants

Johnny Test

How to Become a John-i Knight/The Return of Johnny Super Smarty Pants (Season 5, Episode 10)

TV-Y7

TV Episode | 23 min | Animation, Action, Adventure

Thanks to some mysterious intergalactic knights, Johnny uses newfound powers to stop Dark Vegan's plans to destroy Sirloin, a planet made of meat. A pair of pants have taken over Johnny's brain, and have made him a genius! The twins and ...See moreThanks to some mysterious intergalactic knights, Johnny uses newfound powers to stop Dark Vegan's plans to destroy Sirloin, a planet made of meat. A pair of pants have taken over Johnny's brain, and have made him a genius! The twins and Dukey have to find a way to destroy the pants to get Johnny back to his less-smart self. See less

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Cast	+ Add Cast
7 cast members

Name	Known for
James Arnold Taylor Johnny Test (voice) Johnny Test (voice) See fewer	Star Wars: The Clone Wars (2008)
Trevor Devall Dukey (voice) Dukey (voice) See fewer	Guardians of the Galaxy (I) (2015)
Brittney Wilson Mary Test (voice) Mary Test (voice) See fewer	Gap Year (2017)
Maryke Hendrikse Susan Test (voice) Susan Test (voice) See fewer	Black Lagoon (2006)
Andrew Francis Gil (voice) Gil (voice) See fewer	The Invisible (2007)
Scott McNeil Tall Knight (voice) Tall Knight (voice) See fewer	Dragon Ball Z (1996)
Richard Newman Professor Slopsink (voice) Professor Slopsink (voice) See fewer	Beast Wars: Transformers (1996)