Missionary: Impossible/References

Cultural references

 * The episode title is a pun on .
 * The English sitcom Do Shut Up could be a parody of , a similarly chaotic Britcom that ran on English T.V. in the early 1980s. It was known for its lowbrow characters who shared a similarly dismal house, and spent much of the show bashing each other over the head with household items.
 * The song playing in the background on Do Shut Up while Homer watches the show is "No Feelings" by the.
 * The scene where Homer is licking bullfrogs on an island refers to the first verse of the song "" from the album . Marge calling "Hello, is there anybody in there?" over the radio even intones the melody.
 * Also, a similar storyline was used in Family Guy, where several characters lick frogs and go into a strange hypnotic trance, similar to what happens to Homer in this episode.
 * The telethon scene at the end features various FOX characters as phone operators, including Bender from Futurama and Hank Hill from '''.
 * PBS characters who chase Homer through the streets include the Teletubbies (they fire lasers from their antennas), Oscar the Grouch (who is in his trash can), Elmo (who is sharing Oscar's trash can), Yo-Yo Ma, Fred Rogers, and Big Bird (who comes flying down, squawking angrily like a real bird).
 * When Homer asks "Is everybody happy?" on entering the casino, he is referencing bandleader 's famous catchphrase with similar inflection.
 * Homer mentions .

Goofs

 * When Homer tries to hand out Bibles when arriving on the island, Qtoktok claims that they cannot read. However, when Homer unveils his casino, Ak is able to read the sign.

Continuity

 * Some of the PBS people include:
 * Trent Steele from "Homer to the Max".
 * Neil from "King of the Hill".
 * Mimi from "Guess Who's Coming to Criticize Dinner?".
 * Susan, Evelyn, Roberta and Gillian from "Scenes from the Class Struggle in Springfield".