Season 4, Episode 12 - "Superhero for a Day"
25 September, 1990
Gadgetman, yesterday's superhero, decides to rescue the public from danger and evil once again. While the Turtles are on their way to stop Shredder from draining power plants (which is part of Krang's plan to free the Technodrome from the asteroid), they meet up with Gadgetman. Krang gets Shredder to forge a false alliance with Gadgetman to try to destroy the Turtles. When the Turtles arrive to the third and final power plant to stop Shredder, Gadgetman's allegiance will be the weapon to see who is victorious.

