The Powerpuff Girls
The Stayover / Painbow
S1 E1002:
The Stayover: After going overboard on the candy, Blossom and Buttercup wake up with no memory of last night and no idea where Bubbles is! They must piece together the events of last night and find Bubbles before the Professor gets back! / Painbow: When a mysterious rainbow causes everyone to become unnaturally happy, the Powerpuff Girls must find where it ends to save the day and return Townsville to normal.