"Treehouse of Horror XI"
 Cultural references
- The opening titles is similar to the Munsters.
- The title G-G-Ghost D-D-Dad is a reference to the movie Ghost Dad.
- All the ways that Homer is almost killed is similar to deaths in the Final Destination series.
- "Scary Tales Can Come True" could be a reference to the line "fairy tales can come true" from the song "Young at Heart".
- The following fairy tale creatures made an appearance in "Scary Tales Can Come True": Rapunzel, Troll under the Bridge, 3 Bears, Goldilocks, and the Witch from Hansel and Gretel.
- The way the dolphins attack Lenny is similar to how Jaws killed Crissy.
- The dolphins squeak "Sound Off"
- Grandpa being eaten by the dolphin is similar to the sequence in A Nightmare on Elm Street 3: Dream Warriors.
- The way the dolphins watch the Springfieldians is the same as The Birds.
- This is the second Halloween episode in a row (third in all, if you count Treehouse of Horror VII) with the third segment ending in the world doomed.
- Strangely the only people who pulled out firearms were the police force, even though it has been shown that nearly everyone in Springfield carries at least one weapon.
- In UK Channel 4 broadcasts, the TV at the end of the opening sequence has nothing on it.
- The tune the dolphins squeak to is the tune Bart and his army sung to in "Bart the General".
Along with every other Treehouse of Horror episode up to XVI, this episode aired as part of The Simpsons Treehouse of Horror Mania.