The Loud House now have a crossover with the 2019 series, “Harley Quinn”.

STORY: Zach, Lincoln, Ken, Leo, Lori, Leni, Luna, Luan, Lynn, Lucy, Lola, Lana, Lisa, Lily, Rita, and Lynn Sr. are off to Gotham City for their vacation. There, Zach will find out about his origin, and soon he found out that Gotham’s villains Harley Quinn and Poison Ivy are both his biological mothers.