SEASON: 25
EPISODE: 20 - What to Expect When Bart's Expecting
SYNOPSIS
Bart starts dabbling in the dark arts, only to cast a spell on his teacher that seemingly results in her getting pregnant. Word soon spreads that the mischief-maker is some kind of wizard and he becomes a saviour to childless couples in Springfield. But then he is kidnapped by Big Tony, who wants a champion racehorse to conceive.