Los Angeles, is a city in California. Its Hollywood district is famous for its association with movie-making. The gang has been there on several occasions.
The Scooby-Doo Show
Scooby-Doo's cousin Scooby-Dee, a movie actress, was threatened in Hollywood by the Ghost of Milo Booth. (The Chiller Diller Movie Thriller)
Scooby-Doo (Marvel Comics)
Scooby-Doo and Shaggy Rogers were teleported from New York to Los Angeles. Or were they? (The Faceless Phantom)
Scooby Goes Hollywood
Scooby-Doo tried to join various Hollywood productions. (Scooby Goes Hollywood)
Scooby-Doo and Scrappy-Doo (first series)
The Neon Phantom appeared at the Hollywood Bowl and cut out the electricity. (The Neon Phantom of the Roller Disco!)
The New Scooby and Scrappy Doo Show
The gang helped out as stunt doubles when the Gremlin threatened a movie set. (The Fall Dog)
The New Scooby-Doo Mysteries
The gang went on a Hollywood tour of Bananatoon Studios, and ran into the Monster Mutt. (A Scarey Duel With a Cartoon Ghoul)
What's New, Scooby-Doo?
The Faceless Phantom disrupted a movie being directed by Vincent Wong.
The gang attended a game convention at the Los Angeles Conference Center and Velma Dinkley solved a mystery by herself.