Lisa's science fair project is overshadowed by Bart's mechanical baby seal; Homer's new assistant ends up stealing his job.
| Title | The Simpsons - Season 23 Episode 4 : Replaceable You |
|---|---|
| Alternative Titles | Simpsonët, Os Simpson, Al-Shamshoon, הסימפסונים, 심슨네 가족들, 심슨가족, Los Simpson, Os Simpson, The Simpson, Simpsonlar oilasi |
| First Air Date | 1989-12-17 |
| Last Air Date | 2026-10-25 |
| Number of Episodes | 816 |
| Number of Seasons | 38 |
| Genres | Animation, Comedy, |
| Networks | FOX, |
| Casts | Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer |
| Plot Keywords | , |
Homer Simpson / Abe Simpson / Barney Gumble / Krusty the Clown / Groundskeeper Willie / Mayor Quimby (voice)
Dan Castellaneta
Marge Simpson / Patty Bouvier / Selma Bouvier / Jacqueline Bouvier (voice)
Julie Kavner
Bart Simpson / Maggie Simpson / Nelson Muntz / Ralph Wiggum (voice)
Nancy Cartwright
Lisa Simpson / Maggie Simpson (voice)
Yeardley Smith
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl Carlson / Superintendent Chalmers (voice)
Hank Azaria
Ned Flanders / Mr. Burns / Smithers / Principal Skinner / Lenny Leonard (voice)
Harry Shearer
