- brief clips from the first movie are edited into flashbacks
- Reviewed.
The Art of the Fart (Video 2005)
Clips featuredJohn Cho & Kal Penn: The Backseat Interview (Video 2005)
Clips featuredThe Slanted Screen (2006)
clip"The Rotten Tomatoes Show" The Town/I'm Still Here/Easy A (TV Episode 2010)
Milla Jovovich's Secret Movie Confession
Harold & Kumar Go to Amsterdam (Video 2008)
"Veronica Mars" Rashard and Wallace Go to White Castle (TV Episode 2006)
Title reference.The Benchwarmers (2006)
Video case is shown in a video store.Epic Movie (2007)
A White Castle appears with a response from Edward saying "I think I've been there before." Also, during the battle sequence, someone beats Edward down and says "Take that, Kumar!""Drawn Together" Toot Goes Bollywood (TV Episode 2007)
Kumar and the movie are mentioned in this episode.Be Kind Rewind (2008)
VHS in the video store.
Devil's Harvest (1942)
poster in apartmentThe Twilight Zone (TV Series 1959–1964)
"The Twilight Zone" is mentioned by name in the Harold and Kumar movie.Sixteen Candles (1984)
Characters in the movie discuss _Sixteen Candles_, also movie marquee at the cinemaThe Karate Kid (1984)
One of the skateboarders tells Harold "What you're gonna to about it, Mr. Miyagi?"- Freakshow spoofs Jesus fanatic/Myers persuer that drives in truck complete with Jesus stickers
"Saturday Night Live" Will Ferrell/King Princess (TV Episode 2019)
Plot elements recounted by Joe Biden 2020 Democratic Debate sketch.
"Late Show with David Letterman" Episode #19.157 (TV Episode 2012)
From "Top Ten Summer Blockbuster Films About Presidents: "8.Harding and Kumar Go to White Castle"
Bringing Up Baby (1938)
The giant cat/jail connectionThe Simpsons (TV Series 1989)
The line "Thank you come again," spoken by Apu on The Simpsons, is quoted in Apu's voice numerous timesSwingers (1996)
opening scene with the guys discussing getting back in the game after 6 monthsFight Club (1999)
The scene where the racoon is in the car, it bites Harold, and then looks at him and shakes the blood onto him as is done in Fight Club.Jackass (TV Series 2000–2007)
"extreme" guys do jackass imitation stuff