Maggie's Brain

Maggie's Brain (which originally aired on October 11, 1987), otherwise known as "What Maggie's Thinking", is the tenth Simpsons short.

Plot
Bart and Lisa, wonder what Maggie is thinking while she is sleeping in her crib. However, Maggie sees her siblings as negative figures, attempting to attack her. Bart and Lisa wonder what the hopes and dreams of a tiny infant inside a crib actually are, and imagine Maggie doing the same to them as they are doing to her.