Frisky Dingo (2006)

Season 1: Episode 7

So, come to find out, plucky reporter Grace Ryan is experiencing some pretty unpleasant side effects from falling into those drums full of super-intelligent, radioactive waste-covered ants: she sometimes turns into the ultra-wicked-bad supervillainess Antagone! And yeah, it's not the cleverest name in the world. But man, get a load of that rack...