During a school day,
Bart is found to have
head lice due to letting a
monkey crawl on his head and
Lisa is forced to walk barefoot after her shoes are stolen by
bullies. Believing that Homer and Marge are negligent parents, the school staff alert
Social Services. Meanwhile, Homer and Marge are spending their day at a spa, having left their house a mess. Despite having promised themselves to clean up after returning home, two
Child Protective Services agents arrive at their house at the worst possible time, finding it under the negligent and incompetent care of
Grampa. They take Bart, Lisa, and
Maggie to a
foster home, which turns out to be their four next-door neighbors
Ned,
Maude,
Rod, and
Todd Flanders. Bart and Lisa hate living with the Flanders due to all activities being strictly religious, being served bland food, and having to go to bed at only 7 o'clock. However, Maggie enjoys it since she gets more attention from Ned than she ever did from Homer. Meanwhile, Marge and Homer are forced to attend a parenting class to regain custody of their children. During a quiz game of Bible questions, Ned becomes concerned when he learns the Simpson children know nothing of
Christian history; something which the Flanders family believes one should start learning at
baptism. When Lisa reveals that they have never been baptized, Ned becomes so distraught that he drives them to the Springfield River. When Homer and Marge are declared fit parents, they quickly head for the river to stop Ned from baptizing their children. Just as Ned is about to pour
holy water on Bart, Homer pushes Bart away and the water falls on him instead, inadvertently making him a baptized member of the Flanders family. The Simpsons are reunited and head home together. ==Production==