21 Jump Street is an American police procedural

Police procedural

The police procedural is a subgenre of detective fiction which attempts to convincingly depict the activities of a police force as they investigate crimes. While traditional detective novels usually concentrate on a single crime, police procedurals frequently depict investigations into several...

 crime drama television series that aired on the Fox Network

Fox Broadcasting Company

Fox Broadcasting Company, commonly referred to as Fox Network or simply Fox , is an American commercial broadcasting television network owned by Fox Entertainment Group, part of Rupert Murdoch's News Corporation. Launched on October 9, 1986, Fox was the highest-rated broadcast network in the...

 from April 12, 1987, to April 27, 1991, with a total of 103 episode

Episode

An episode is a part of a dramatic work such as a serial television or radio program. An episode is a part of a sequence of a body of work, akin to a chapter of a book. The term sometimes applies to works based on other forms of mass media as well, as in Star Wars...

s. The series focused on a squad of youthful-looking undercover police officers investigating crimes in high schools, colleges, and other teenage venues.

Created by Patrick Hasburgh

Patrick Hasburgh

Patrick Hasburgh is an American television producer and writer.He is best known for his work on the television series Hardcastle and McCormick and 21 Jump Street, two series he co-created with Stephen J. Cannell. His other television credits include The Greatest American Hero, The A-Team , SeaQuest...

 and Stephen J. Cannell

Stephen J. Cannell

Stephen Joseph Cannell was an American television producer, writer, novelist and occasional actor, and the founder of Stephen J. Cannell Productions.-Early life:...

, the series was produced by Stephen J.