The Catwoman from Channel Six - S2-E12
Plot hole: April is transformed into a Catwoman by a teleportation accident. Shredder puts a mind control collar on her, and she attacks the turtles. The turtles manage to remove the collar, and the fight ends. Shortly afterwards, April returns to her normal form, without any explanation.
Answer: Although the series creators have never confirmed this, it seems fairly obvious that MACC is inspired by Johnny 5.
BaconIsMyBFF