During a research trip, Lisa learns that Sideshow Bob is the chief scientist at a big chemical engineering company; Marge tries to teach a teen church group about healthy sexual practices.

Main 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))

Guest Stars

Kelsey Grammer (Sideshow Bob (voice))
Marcia Wallace (Edna Krabappel (voice))

The Simpsons

S25E13 — The Man Who Grew Too Much

Overview

Main Cast

Guest Stars

Crew

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