Gotham Girls (2000)

S2E4 Baby Boom

During a daring museum robbery, Harley Quinn finds herself unexpectedly transformed into an infant due to the effects of Poison Ivy's unique plant toxins. As she grapples with her new, diminutive form, Harley must navigate the challenges of babyhood while still trying to pull off the heist. Meanwhile, Ivy's involvement complicates matters, leading to a chaotic and humorous series of events as Harley learns to adapt to her situation while plotting her next move.