The following summaries include the 84 episodes (90 hours) between 1982 and 1986 that Knight Rider was on the air. Also included is information about Knight Rider 2000, a movie made in 1991.

Season 1: [Sept 1982 - May 1983]

Michael Knight..................David Hasselhoff
Devon...........................Edward Mulhare
Bonnie Barstow..................Patricia MacPherson
Voice of K.I.T.T................William Daniels

Season 2: [Oct 1983 - May 1984]

Michael Knight..................David Hasselhoff
Devon...........................Edward Mulhare
April Curtis....................Rebecca Holden
Voice of K.I.T.T................William Daniels

Season 3: [Sept 1984 - May 1985]

Michael Knight..................David Hasselhoff
Devon...........................Edward Mulhare
Bonnie Barstow..................Patricia MacPherson
Voice of K.I.T.T................William Daniels

Season 4: [Sept 1985 - Apr 1986]

Michael Knight..................David Hasselhoff
Devon...........................Edward Mulhare
Bonnie Barstow..................Patricia MacPherson
Reginald Cornelius III (RC3)....Peter Parros
Voice of K.I.T.T................William Daniels

Knight Rider 2000: [May 1991]