Denver is the capital of the state of Colorado. It has been seen and mentioned many times on South Park. It is a large city 45 miles away from South Park and characters often travel there to find amenities unavailable in their hometown. It is also home of the Denver Broncos, an NFL football team also referenced frequently.
- "Volcano" - The trench built to redirect the lava flow ends up leading to Denver, which is soon engulfed in lava.
- "Cartman's Mom is a Dirty Slut" - One of the candidates for Cartman's father is in the Denver Broncos.
- "Conjoined Fetus Lady" - The first dodgeball team up against the South Park Cows is Denver's team.
- "City on the Edge of Forever (Flashbacks)" - Ms. Crabtree goes there to find some help.
- "Fourth Grade" - Ms. Choksondik is from Denver.
- "Helen Keller! The Musical" - Jeffrey Maynard played at the Denver Community Playhouse.
- "Super Best Friends" - David Blaine performs his magic show in Denver.
- "Terrance and Phillip: Behind the Blow" - Terrance performs live at the Denver Coliseum.
- "Professor Chaos" - The boys along with Pip see a game at Coors Field.
- "Krazy Kripples" - Jimmy and Timmy's Crip chapter is based in Denver.
- "Toilet Paper" - Part of Cartman's elaborate story told to Mr. Mackey involves the Scientology Center in Denver.
- "Red Man's Greed" - The casino's plan was to build a superhighway to Denver where they can get more customers.
- "Casa Bonita" - Casa Bonita is a real business located in Denver.
- "Up the Down Steroid" - The Special Olympics takes place in Denver.
- "The Losing Edge" - The opponent baseball team of South Park qualifying for the State Championship is Denver and the game takes place at Coors Field.
- "Free Willzyx" - Sea Park is based in Denver.
- "Stanley's Cup" - The hockey team's final game is against Denver County held at the Pepsi Center.
- "Eek, A Penis!" - Denver County picks up Cartman to teach a class.
- "The Ring" - The Jonas Brothers' concert is in Denver.
- "W.T.F." - The boys see a live WWE wrestling event at the Pepsi Center arena.
- "Whale Whores" - The Marshes visit an aquarium in Denver for Stan's birthday.
- "Medicinal Fried Chicken" - After the closure of the South Park branch of KFC Cartman tries to go to the Denver branch.
- "201" - Cartman's dad is revealed to have played for the Denver Broncos, leading him to believe that he is half Denver Bronco. Casa Bonita is also seen again, being destroyed by Mecha-Streisand.
- "Cartman Finds Love" - Eric Cartman interrupts a basketball game at the Pepsi Center arena.
- "Sarcastaball" - Sports Authority Field at Mile High is featured when the Denver Broncos play the Oakland Raiders.
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