"Maggie in Peril: Chapter One" is the forty-sixth Simpsonsshort and the first part of the only two-part short in the series. It originally aired on The Tracey Ullman Show on April 30, 1989.
Plot[]
Bart and Lisa do a poor job babysitting Maggie while Homer and Marge go shopping for weed killer. Unsupervised, Maggie hops on Bart's skateboard and rolls through a sewage pipe into a waterfall. As she goes over the falls, text reveals that the story will be continued the following week.
