21 Jump Street : Synopsis, Pictures, Photos, Trivia, Filming Locations

. The character of Booker was supposed to be killed off at the end of the third season. However, he proved so popular that he was spun off onto his own show.

. This led off the Sunday night lineup during the first season presented by the Fox network.

. Josh Brolin was at the top of the list to replace Jeff Yagher as the Tom Hanson character. Patrick Hasburgh lobbied the FOX Network executives for Johnny Depp, which led to Depp being cast. Brolin did guest star in the first season episode, "My Future's So Bright, I Gotta Wear Shades".

. Judy Hoffs was the only officer to reach the rank of Detective

. Holly Robinson Peete was the only original cast member to remain with the show throughout its network and syndication run.

. Johnny Depp and Peter Deluise sang the JUMP!! backup vocals to the opening theme song while Holly Robinson sang the lead.

. The Mustang that Tom Hanson drove belonged to his father.

. By the third season Johnny Depp was chafing at having to stay with the show instead of accepting various film offers that he was getting but he promised the producers that he would fulfill his contract as long as the show ran. They were so touched by the gesture that they allowed him to leave the show, which quickly plummeted in the ratings and was taken off the air.