The Simpsons - Season 21 - Eps 8: Oh Brother, Where Bart Thou?
One snowy day in Springfield, Lisa informs Bart that she and Maggie share a bond that Bart will never understand because he doesn't have a brother, so Bart asks Homer for a baby brother. When Homer denies Bart's request, Bart makes his way to the Springfield Orphanage to find what he thinks he's missing.
About The Simpsons

Title: The Simpsons
First Air Date: 1989-12-17
Last Air Date: 2025-04-13
Status: Returning Series
Rating: 8.016/10 (from 10160 votes)
Language: EN
Seasons: 37
Total Episodes: 785
Network: FOX
Genres: Family, Animation, Comedy
Production Companies: Gracie Films, 20th Century Fox Television, 20th Television Animation, 20th Television
Synopsis
Set in Springfield, the average American town, the show focuses on the antics and everyday adventures of the Simpson family; Homer, Marge, Bart, Lisa and Maggie, as well as a virtual cast of thousands. Since the beginning, the series has been a pop culture icon, attracting hundreds of celebrities to guest star. The show has also made name for itself in its fearless satirical take on politics, media and American life in general.
Cast

Dan Castellaneta
Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)

Julie Kavner
Marge Simpson / Patty Bouvier / Selma Bouvier (voice)

Nancy Cartwright
Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)

Yeardley Smith
Lisa Simpson (voice)

Hank Azaria
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)

Harry Shearer
Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)