As of this season, Cookie Jar Entertainment and for the final time (due to shutting down in 2008) Collideascope Animation Studios, worked on the show.

This was the final season for creator/executive producer Scott Fellows who left to create Big Time Rush for Nickelodeon.

": Fed up with the lack of respect, Dukey convinces Mary and Susan to turn Johnny into a dog.

"Johnny'mon": Johnny, Dukey, Susan, and Mary are transported into Tiny'Mon and they must defeat Blast Ketchup and Kadoomerang using Cuddlebuns for protection.

"Johnny Test: Monster Starter": Mr. Black and Mr. White ask Susan and Mary to design a new weapon, so they make a helmet that allows the user to control things with their mind.

But it becomes a huge mistake when it's stuck on Johnny's head, and his obsession with a new video game now makes any inanimate object he sees turn into a monster.