The Simpsons Season 23 Episode 4 : Replaceable You

Bart’s science fair project, a mechanical baby seal, outshines Lisa’s brainy asteroid model and quickly becomes a popular pet among the retirement home patrons. Meanwhile, Homer’s new and eager assistant Roz, steals Homer’s job, forcing him to team up with Flanders to reveal her true colors and evil past.

NameThe Simpsons Season 23 Episode 4: Replaceable You
Air DateNovember 6th, 2011
GenresAnimation, Comedy
NetworkFOX
Production CompaniesThe Curiosity Company, Gracie Films, 20th Century Fox Television
WriterStephanie Gillis
DirectorMark Kirkland
Guest StarJane Lynch
Plot Keywordsmother, baby, alcohol, cat, brother, clown, house, housewife, beer, satire, father, nuclear power plant, parody, middle class, sister, dysfunctional family, teacher, social satire, neighbor, school, dummy, dog, donuts
Dan Castellaneta
Dan Castellaneta
Homer Simpson
Julie Kavner
Julie Kavner
Marge Simpson
Nancy Cartwright
Nancy Cartwright
Bart Simpson
Yeardley Smith
Yeardley Smith
Lisa Simpson
Hank Azaria
Hank Azaria
Apu
Harry Shearer
Harry Shearer
Ned Flanders

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