"The Boy Who Knew Too Much" is the twentieth episode of the fifth season of the American animated television series The Simpsons.

[1] In the episode, Mayor Quimby's nephew Freddy is wrongly accused of assaulting a waiter, with Bart (who is playing truant from school) being the sole witness to the true course of events.

The episode references films such as Westworld, Last Action Hero, Ferris Bueller's Day Off and Free Willy, and the characters Huckleberry Finn, Eddie, and Darwin.

Bart is reluctant to testify to prove Freddy's innocence because it would mean admitting that he skipped school and being punished by Skinner for it.

Rising to protest, he trips over a chair and falls out the window into an open-roof truck filled with rat traps.

When asked how he witnessed the incident when he was supposed to be in class, Bart reluctantly admits that he skipped school.

As Marge is about to tell Homer about everything that happened at home in his absence, he puts on fake glasses so that he can sleep through it (just as he did during jury service).

[4] While riding on the prison bus, Bart looks out the window and has a dream that features him, Huckleberry Finn and Abraham Lincoln on a raft going down a river.

[3] Bart's comment to Rainier Wolfcastle (a parody of Arnold Schwarzenegger[5]) that his "last movie really sucked" and Chief Wiggum's subsequent "magic ticket, my ass" are in reference to Last Action Hero, a Schwarzenegger film featuring magic tickets that was panned by critics.

Series creator Matt Groening has a cameo appearance as the court illustrator in the Quimby trial.

At the hotel, Homer watches a new "director's cut" of the 1993 family film Free Willy that features Jesse being crushed by the titular whale.

It was the fifth highest-rated show on the Fox network that week, following Married... with Children, Living Single, Melrose Place and Beverly Hills, 90210.

The authors of the book I Can't Believe It's a Bigger and Better Updated Unofficial Simpsons Guide, Warren Martyn and Adrian Wood, praised the episode for containing "a memorable guest character in the French waiter Monsieur Lacosse, two great slapstick sequences involving the same, and displays Principal Skinner — pursuing Bart across the mountains like 'a non-giving-up school guy', and confessing that in some ways he's "a small man; a petty, small man" — in particularly fine form.