Teenage Mutant Ninja Turtles (1987)

S3E37 The Turtle Terminator

Irma is taken hostage by Bebop and Rocksteady, who swap her out for a lifelike robot designed to mimic her appearance. This robotic doppelgänger is activated with a mission to take out the turtles, posing a significant threat as it infiltrates their lives, all while the real Irma remains in peril.