The Simpsons (1989– )
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The Dad Who Knew Too Little 

Homer hires a private detective to learn more about Lisa.


Mark Kirkland


Matt Groening (created by), James L. Brooks (developed by) | 3 more credits »




Episode cast overview:
Dan Castellaneta ... Homer Simpson / Krusty the Klown / Alien / Groundskeeper Willie / Monkey (voice)
Julie Kavner ... Marge Simpson (voice)
Nancy Cartwright ... Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
Yeardley Smith ... Lisa Simpson (voice)
Hank Azaria ... Turbo Diary / Salesman / Commander / Chief Wiggum / Prospector / Moe Szyslak / Carl / Dexter Colt / Protester / Lou / Motel Clerk / Flying Giuseppe / Cletus (voice)
Harry Shearer ... Ad Announcer / Montgomery Burns / Waylon Smithers / Ned Flanders / Film Narrator / Principal Skinner / Lenny / Kent Brockman / Radio Announcer (voice)
Elliott Gould ... Himself (voice)
Tress MacNeille ... 'Padz' Announcer / Girl / Kenny / Sheriff / Brandine (voice)
Karl Wiedergott Karl Wiedergott ... Various (voice)


Homer realizes he doesn't know enough about Lisa, so he hires a private detective to learn more about her. This helps with the father-daughter relationship, as Homer knows what she would want to do. However, the detective, Dexter Colt, has charged him $1000, and few of the charges relate to his work (namely, a $40 steak, super-unleaded fuel and silver bullets [the idiot thought Lisa was a werewolf]). Homer, of course, refuses to pay the bill, so Colt breaks into the animal testing lab, and as Lisa is against animal testing, and some of Lisa's belongings are there, the police assume it was her who did it. Can Homer expose Colt and exonerate Lisa before she's jailed? Written by movieguy3

Plot Summary | Add Synopsis


Animation | Comedy


TV-PG | See all certifications »






Release Date:

12 January 2003 (USA) See more »

Filming Locations:


Company Credits

Show more on IMDbPro »

Technical Specs

Sound Mix:

Dolby | Dolby SR (seasons 3-19)



Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


Homer's e-mail address, as seen in the episode "The Dad Who Knew Too Little", was registered by writer-producer Matt Selman, who also replied to e-mails from fans testing it. See more »


Bart points a laser pointer at Skinner's crotch, causing Skinner to lower trousers and boxers. Then Wiggum inserts himself and his vehicle in front of Skinner, claiming he can still see the dot. Wiggum's cruiser would likely block the laser, so the dot would disappear. See more »


Bartender in video: Bad news, Sherrif...
Homer Simpson: [voice-over] Lisa Simpson!
Bartender in video: Some Indians took all the...
Homer Simpson: McNuggets! Mmm, McNuggets
Homer Simpson: .
See more »

Crazy Credits

There is an extra scene involving the diary during the end credits. See more »


References Snow White and the Seven Dwarfs (1937) See more »


Written by Brian Carman and Bob Spickard
See more »

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User Reviews

Homer and Lisa Episodes are Always Enjoyable,
11 August 2010 | by lesleyharris30See all my reviews

The Dad Who Knew Too Little is a fantastic Simpsons episode with a very well written storyline and loads of very funny scenes.I love every scene with Homer and Lisa in this episode,particularity the scenes where he tries to prove to her that he knows her more than she thinks,I always enjoy episodes that team the two of then together,because they are the two members of the family that are the least like one another,and seeing these two different personalities work together is always a lot of fun.My favourite scene of the fourteenth season is in this episode,where Chief Wiggum finds out the whereabouts of Homer and Lisa and says he'll go search for them after dinner,then himself,Lou and Eddie smile at Marge,hinting at her,I find this part absolutely hilarious no matter how many times I've seen it,even when I know exactly whats coming.The Man Who Knew Too Little is a great Simpsons episode.

When Lisas birthday approaches,she wants Homer to buy her this new journal called "The Girl-Tech Diary",but when they're all sold out,Homer makes a video about Lisa instead,which makes her realise that Homer doesn't know anything about her.To try and prove her wrong,he hires a detective to follow Lisa and find out her hobbies and interests.

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