Grampy Can Ya Hear Me/References

Cultural references

 * The title of the episode is a reference to the -nominated 1983 song "Papa, Can You Hear Me?", performed by Barbra Streisand.
 * 's Szechuan Sauce is held by Maggie in the opening.
 * Agnes and Principal Skinner watch Game of Thrones at the end of the episode.
 * At the Springfield Planetarium, a poster asking to "Bring back Futurama" is seen.
 * During the planetarium show, "" by plays.
 * In the car, "" by, and  plays.
 * Jasper Beardsley and old people sing "" to Abe.
 * When Grampa realises he can hear, "" by Ludwig van Beethoven plays.
 * The Chewbacco nicotine gum is a reference to Chewbacca from Star Wars.
 * Brutus Buckeye, the mascot for Ohio State University, is seen.
 * Skinner says "" when Brutus Buckeye makes an L sign on his forehead.
 * Skinner also pushes Brutus Buckeye into a statue of Woody Hayes, who served as head football coach at Ohio State University from 1951–1978.
 * Casket City's slogan, "Think inside the box", is a pun on the expression "".

Continuity

 * The ghosts of Tracey Ullman Homer and Bart appear in the title screen. ("Treehouse of Horror XXV")
 * The Russian soldiers invading the Simpson House is similar to the couch gag of "The Last Traction Hero".
 * Homer applies his astronaut discount. ("Deep Space Homer")
 * Lisa previously showed Nelson how to use the chalk contraption Bart is using. ("Lisa's Date with Density")
 * Lisa has a nightmare of not becoming president due to being disqualified because of cheating on her paper. ("Bart to the Future")
 * Gram-papa is wearing a shirt from The Grunions Ride. ("Kamp Krustier")
 * The song "Nobody Knows Hans Moleman" is a parody of "Everyone Loves Ned Flanders". ("The Front")

Trivia

 * The Simpson family is reading a script, which is revealed to be the episode's.