- New Friend, Old Enemy - Michelangelo meets him and his cat.
- I Think His Name is Baxter Stockman - He's seen at T.C.R.I.
- The Gauntlet -
- Showdown, Part 2 - He's seen coming out of a Technodrome abduction sphere in the floating in the ocean.
- Plan 10 - The Kraang in Raphael's body scares him.
- Annihilation: Earth! Part 2 - He's seen in the background being pulled into the Heart of Darkness alongside Splinter's lifeless body, the Mighty Mutanimals, the Shredder and Tiger Claw. He is eventually revived when the Turtles and the Fugitoid go back in time to stop the Heart of Darkness from being activated.
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