The Simpsons The Boy Who Knew Too Much (Season 5, Episode 20)
TV-14
TV Episode | 30 min | Animation, Comedy

Primary photo for The Boy Who Knew Too Much

The Simpsons

The Boy Who Knew Too Much (Season 5, Episode 20)

TV-14

TV Episode | 30 min | Animation, Comedy

Bart witnesses the alleged assault of a waiter by Mayor Quimby's nephew, but coming forward will mean admitting to skipping class and facing the consequences.

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Cast	+ Add Cast
11 cast members

Name	Known for
Dan Castellaneta Homer Simpson / Huck Finn / Freddy Quimby / Hobo / Ticket Booth Operator / … (voice) See more Homer Simpson / Huck Finn / Freddy Quimby / Hobo / Ticket Booth Operator / Man at Auction / Mayor Quimby / Scott Christian / Lawyer / McGonickle / Barney Gumble (voice) See fewer	The Simpsons (1989)
Julie Kavner Marge Simpson / Patty Bouvier (voice) Marge Simpson / Patty Bouvier (voice) See fewer	The Simpsons (1989)
Nancy Cartwright Bart Simpson (voice) Bart Simpson (voice) See fewer	The Simpsons (1989)
Yeardley Smith Lisa Simpson (voice) Lisa Simpson (voice) See fewer	The Simpsons (1989)
Hank Azaria Moe Szyslak / Auctioneer / Chief Wiggum / Mr. LaCoste / Apu Nahasapeemapetilon / … (voice) See more Moe Szyslak / Auctioneer / Chief Wiggum / Mr. LaCoste / Apu Nahasapeemapetilon / Chief / Free Willy Father (voice) See fewer	The Simpsons (1989)
Harry Shearer Otto / Lincoln / Principal Skinner / Rainier Wolfcastle / Kent Brockman / … (voice) See more Otto / Lincoln / Principal Skinner / Rainier Wolfcastle / Kent Brockman / Dr. Hibbert / Jasper / Ned Flanders (voice) See fewer	The Simpsons (1989)
Phil Hartman Lionel Hutz (voice) Lionel Hutz (voice) See fewer	NewsRadio (1995)
Marcia Wallace Edna Krabappel (voice) Edna Krabappel (voice) See fewer	The Simpsons (1989)
Pamela Hayden Milhouse Van Houten / Judge / Jimbo Jr. / Billy (voice) Milhouse Van Houten / Judge / Jimbo Jr. / Billy (voice) See fewer	The Simpsons Movie (2007)
Maggie Roswell Escort / Jury Member / Helen Lovejoy / Free Willy Mother (voice) Escort / Jury Member / Helen Lovejoy / Free Willy Mother (voice) See fewer	The Simpsons Movie (2007)
Russi Taylor Martin Prince (voice) Martin Prince (voice) See fewer	DuckTales the Movie: Treasure of the Lost Lamp (1990)