Jonathan Boy

Season One Episodes

 * "It Begins and Returns" (first appearance)
 * "Hero VS Villains"
 * "Professor Power's Enterprise"
 * "Remote Control"
 * "Freeze Girl"
 * "Call of Duty"
 * "Elementary"
 * "A Man Called Medulla"
 * "The Lost Hero"
 * "Framed"
 * "Attack of the Clones"
 * "Deceive and Conquer"
 * "Secret Agent Zero"
 * "Justice League"
 * "King Dedede VS Royal Pain"
 * "The Secret Files"
 * "Return of the Bowser Jr."
 * "The Army of One"
 * "Flight of the Koopalings"
 * "Playing Games"
 * "The Ring of the Master"
 * "Planet 51"

Season Two Episodes

 * "Bring It On"
 * "Will Gets a Work"
 * "The Academy"
 * "Parental Bonding"
 * "Secrets of the Lost City"
 * "Breakout"
 * "Secret Saturday"
 * "A Hero Too Far"
 * "The Forces of Evil"
 * "Battle to Rescue"
 * "Magic Enemy"
 * "Take This City"

Season Three Episodes

 * "I Lost My Parts"
 * "Gotham"
 * "Fight a Disaster"
 * "Chamber of Secrets"
 * "King of Castle"
 * "A Talented Mr. Stronghold"

Season Four Episodes

 * "Fallen Hero"
 * "The Doubtful Prince"
 * "The Father of Evened"

Season Five Episodes

 * "Transylvania"

Season Twenty Episodes

 * "The High School Planet" (final appearance)