Maggie in Peril (Chapter One)

Maggie in Peril - Chapter One is the forty-sixth Simpsons short. It aired on The Tracey Ullman Show on April 30, 1989.

Plot
Bart and Lisa do a poor job babysitting for Maggie. Unsupervised, she hops on Bart's skateboard and rolls through a sewage pipe to a waterfall. As she goes over the falls, the short ends, to be continued the following week.