The Simpsons

Replaceable You

Aired Nov 6, 2011 · 8:00 PM ET · 25 min

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.