Oh Brother, Where Bart Thou?/References

Cultural references

 * The title of the episode is a reference to the name of a fictional book in the 1922 film Sullivan's Travels, Oh Brother, Where Art Thou?, which is also the title of a season two Simpsons episode, and a popular 2002 film.
 * Bart's vision of what life would be like in years to come if he had another sister is a spoof of , and (one of the stars of the series) even plays the imagined third sister.
 * Bart dreams of famous brothers: The Marx Brothers (, Harpo Marx and Groucho Marx), the Blues brothers (Jake and Elwood) from the film , the Mario Bros. ( and ), the (William and Andrew), the Terwilliger brothers (Robert (aka "Bob") and Cecil), the  (Wilbur and Orville), the Manning brothers (,  and ), and the  ( and ).
 * The Smith Brothers coughing then taking cough drops is a reference to the fact that the brothers were famous purveyors of, and, well over a century later, their product is still one of the most popular brands.
 * Wilbur Wright saying "I want a turn! I want a turn!" while following the plane, which is being piloted by Orville, is a reference to the fact that Orville piloted the first flight of the, with Wilbur following on foot.
 * Peyton and Eli Manning's teasing of Cooper is a reference to the fact that Cooper never got drafted by an NFL team, while Peyton and Eli went on to become Super Bowl-winning quarterbacks with the and the  respectively.
 * The song that plays at the start of Bart's "Bro-Town" dream sequence is "Everybody Get Together" by.
 * The scene where Bart, Milhouse, Nelson, and Ralph are standing at the bus stop is a parody of South Park, with Bart dressed as Stan, Milhouse as Kyle, Nelson as Cartman, and Ralph as . When Otto hits Ralph with the school bus, he says "Oh my God, I killed Kenny!", which is a recurring line in the series.
 * Bart takes to a movie called Sever V, which is a spoof of.
 * The television program that Huell Howser is hosting is similar in appearance to the program .

Continuity

 * Bart replaces Marge's birth control pills with "Tac Tics" (a parody of the popular mint ) as he does with Mrs. Krabappel in the episode "Itchy & Scratchy: The Movie".
 * Barney's role as the Plow King is reprised from the episode "Mr. Plow".
 * People at the awards ceremony includes:
 * Evelyn Peters from "Scenes from the Class Struggle in Springfield".
 * Dr. Zweig from "Fear of Flying".
 * Admiral Carstairs from "Burns, Baby Burns".
 * Gabriel from "Brawl in the Family".
 * Defonzo Palmer from "Jazzy and the Pussycats".
 * Paris Texan from "Homerazzi".

Other Airdates

 * This episode premiered at 9:30pm on February 18, 2011 in the UK on Sky1, months after Season 21 finished airing on the network, and over a year since its original broadcast.