While the Turtles are busy trying to decide what costumes to wear to this year's Channel Six Halloween party, April and Irma are doing a story on the ""reverse polarity magnet"" at Magno-Dyne Labs. While at the Labs, Irma falls into some ""goop"" that the good Professor Chumley describes as harmless. Nonetheless, she feels ill and goes straight home.
Meanwhile, inside the Technodrome on the Arctic Ocean floor, Krang and Shredder watch April's broadcast and decide that the ""reverse polarity magnet"" device is just what they need to rule the world.
Later that night, Shredder, Bebop and Rocksteady break into Magno-Dyne Labs and attempt to steal the Professor's invention. As fate would have it, Irma is walking by in her Halloween costume, which looks like Wonder Woman's in design. As she passes by, Irma is accidentally ""zapped"" by the magnet device when Bebop accidentally turns it on.
When Shredder and company try to ""take care"" of Irma, they find themselves being ""taken care of,"" as Irma inadv