Cartoon Appearances
Koji Onishi appeared in the following 34 cartoon episodes:
- Robots In Disguise: Episode #1 - Battle Protocol!
- Robots In Disguise: Episode #2 - An Explosive Situation
- Robots In Disguise: Episode #3 - Bullet Train to the Rescue
- Robots In Disguise: Episode #4 - Spychangers to the Rescue
- Robots In Disguise: Episode #5 - The Hunt for Black Pyramid
- Robots In Disguise: Episode #6 - The Secret of the Ruins
- Robots In Disguise: Episode #7 - Sideburn's Obsession
- Robots In Disguise: Episode #8 - Secret Weapon: D-5
- Robots In Disguise: Episode #9 - Mirage's Betrayal
- Robots In Disguise: Episode #10 - Skid Z's Choice
- Robots In Disguise: Episode #11 - Tow-Line Goes Haywire
- Robots In Disguise: Episode #12 - The Ultimate Robot Warrior
- Robots In Disguise: Episode #14 - The Decepticons
- Robots In Disguise: Episode #15 - Commandos
- Robots In Disguise: Episode #17 - Attack from Outer Space
- Robots In Disguise: Episode #19 - The Fish Test
- Robots In Disguise: Episode #21 - Landfill
- Robots In Disguise: Episode #22 - Sky-Byte Saves the Day
- Robots In Disguise: Episode #23 - A Test of Metal
- Robots In Disguise: Episode #24 - Ultra Magnus (Part 1)
- Robots In Disguise: Episode #25 - Ultra Magnus (Part 2): Forced Fusion!
- Robots In Disguise: Episode #26 - Lessons of the Past
- Robots In Disguise: Episode #27 - The Two Faces of Ultra Magnus
- Robots In Disguise: Episode #28 - Power to Burn!
- Robots In Disguise: Episode #29 - Fortress Maximus
- Robots In Disguise: Episode #30 - Koji Gets His Wish (Part 2)
- Robots In Disguise: Episode #31 - A Friendly Contest
- Robots In Disguise: Episode #32 - Peril from the Past
- Robots In Disguise: Episode #33 - Maximus Emerges
- Robots In Disguise: Episode #34 - The Human Element
- Robots In Disguise: Episode #36 - Mistaken Identity
- Robots In Disguise: Episode #37 - Surprise Attack!
- Robots In Disguise: Episode #38 - Galvatron's Revenge (Part 1)
- Robots In Disguise: Episode #39 - The Final Battle (Part 2)
