Splinter and the Turtles in Divide and Conquer.
Season 10 of the 1987 Teenage Mutant Ninja Turtles TV series is the third of the Red Sky seasons, and originally aired over CBS on Saturday mornings between 14 September–2 November 1996.
The final season of the series, the season is characterized by the abscence of David Wise as a writer.
During this season, the Turtles face both Dregg as well as Shredder and Krang. The Turtles' unstable mutations are also cured.
The series finale, Divide and Conquer, sees Donatello and Michelangelo going to the abandoned Technodrome on Balaraphon in Dimension X to pick up Krang's Android Body. They then return with it to Earth, where the Turtles use Krang's Android Body to defeat Dregg and send him to Dimension X. The episode and the entire series ends with Splinter telling the Turtles they are no longer his students, but equals.