S1 E3: Batman has been captured by the hazardous Harley Quinn. Chained and dangling over a tank of ravenous piranhas, how on Earth can the Dark Knight escape certain death?! / The pulse-pounding conclusion of "Mad Love." The Joker arrives on the scene of Harley's greatest triumph -- the capture of the Dark Knight! But how will the killer clown react when he finds that his girlfriend was able to succeed where he has always failed?