"Six Feet Under" Timing & Space (TV Episode 2003)
This show is on at Vanessa and Rico's house.The Ring Two (2005)
On TVCartoon Network: Punch Time Explosion (Video Game 2011)
Billy, Mandy, and Grim are playable characters. Hoss Delgado is playable in the console version. Fred Fredburger and Dracula appear as assists.- Number 10
"WatchMojo" Top 10 Cartoon Network Shows (TV Episode 2014)
The Grim Adventures of Billy & Mandy gets an honorable mention.
Evil Con Carne (TV Series 2003–2004)
Codename: Kids Next Door - Operation Z.E.R.O. (TV Movie 2006)
Billy & Mandy's Big Boogey Adventure (TV Movie 2007)
The Grim Adventures of the KND (TV Movie 2007)
Stop the G: KND - Part 1 (Video 2015)
No P in the O.O.L. (TV Short 2001)
Evil Con Carne (TV Short 2001)
Codename: Kids Next Door (TV Series 2002–2008)
"Cartoon Network City" Good Car Day (TV Episode 2004)
Mandy appears in the bumper."Evil Con Carne" Gridlocked and Loaded/Fool's Paradise (TV Episode 2004)
Billy makes a cameo appearance in the credits.- Mentioned.
"Foster's Home for Imaginary Friends" Cheese a Go-Go (TV Episode 2007)
Fred Fredburger makes an appearance in the court."Mad" Taking Nemo/Once Upon a Toon (TV Episode 2012)
Grim appears in the Once Upon a Toon skit.
Blacula (1972)
Dracula's appearance is based on Blacula.
The Grim Adventures of Billy & Mandy: Freaky Freezeday (Video Game 2004)
A video game based on the Cartoon Network series.The Grim Adventures of Billy & Mandy: The Fright Before Christmas (Video Game 2005)
A computer game based on the cartoon series.Triple Threat Pinball (Video Game 2005)
The show serves as the basis of the computer game.The Grim Adventures of Billy & Mandy (Video Game 2006)
Based on the Cartoon Network series.
What a Cartoon! (TV Series 1995–2002)
Grim & Evil (TV Series 2001–2004)
Began as a segment on Grim & Evil, later became its own standalone show.
"Ben 10" Ken 10 (TV Episode 2007)
One of Ken's friends, simply credited as "Kid" in the end credits, is a parody of Billy from this show. Like Billy, he is voiced by Richard Horvitz."Robot Chicken" May Cause the Exact Thing You're Taking This to Avoid (TV Episode 2021)
Parody sketch.