Booker was an hour long television drama starring Richard Grieco. Richard Grieco (born March 23, 1965) is an American actor and former fashion model It ran on the Fox Network from September 24, 1989 to May 6, 1990. Events 622 - Prophet Muhammad completes his hegira from Mecca to Medina. Year 1989 ( MCMLXXXIX) was a Common year starting on Sunday (link displays 1989 Gregorian calendar) Events 1527 - Spanish and German troops sack Rome; some consider this the end of the Renaissance. Year 1990 ( MCMXC) was a Common year starting on Monday (link displays the 1990 Gregorian calendar) It was a spin-off of 21 Jump Street, which featured now-disgraced former Vancouver police officer/Jump Street Squad member Dennis Booker, now working for a Vancouver-based Japanese-owned mega-conglomerate under its "Private Investigations" division. A spin-off (or spinoff) is a new Organization or Entity formed by a split from a larger one such as a Television series based on a pre-existing 21 Jump Street (originally titled Jump Street Chapel) is an hour long police drama television series, developed by Fox Network. The series also starred Carmen Argenziano, Marcia Strassman and Lori Petty. Carmen Antimo Argenziano (born 27 October, 1943) is an American character actor who has appeared in over 50 movies and around 100 television movies or episodes Marcia Strassman (born April 28, 1948) is an American actress best-known for her roles as Julie Kotter in the TV Sitcom Welcome Lori Lee Petty (born October 14, 1963) is an American movie actress.