Bart Has Two Mommies

Ned Flanders wins a new computer and offers it to Marge, as he has no use for it. In return, Marge babysits the Flanders children. With Marge spending so much time at The Flanders', Homer must look after Bart and Lisa. Homer takes the kids to an animal retirement home, but the trip goes awry when Toot-Toot the monkey pulls Bart into her cage and holds him hostage