On this day in television history - The Blue Knight (1975 - 1976):

The Blue Knight,

created by Albert Ruben and E. Jack Neuman,

based on the novel by Joseph Wambaugh,

was released in the United States on December 17, 1975, and ran for two seasons until October 20, 1976.

The pilot episode was shown on May 9, 1975.
Theme music by Henry Mancini.

Partial cast:
George Kennedy, John Steadman, Barbara Rhoades, Lee Weaver, Lucy Saroyan, Robert Hays, Phillip Pine, Al Hansen, Jess Nadelman, Don Maxwell, Bruce Glover, Gerald McRaney, Tom Bower, Anthony Geary, James A. Watson Jr., Jason Bernard, Ben Frank, Kelly Thordsen, Marc Alaimo, Hoke Howell, Don Hanmer, Byron Mabe, Phillip Simms, Jonathan Goldsmith, Jan Peters, Harry Lauter, Ross Elliott, Alex Rocco, Vic Tayback, Joanna Moore, Mitchell Ryan, John Ireland, Verna Bloom, Steve Sandor, Suzanne Charny, Carmen Zapata, Jacqueline Scott, T.J. Castronovo, Mel Novak, Juno Dawson, Christina Hart, Claire Brennen, Edward James Olmos, Judson Pratt, Lewis Charles, Claudia Bryar, Thomas Carter, Joseph Wambaugh, Kitty Carl, Paul Fierro, Peter Brandon, Booth Colman, Roy West, Lisa Moore, Dorothy Dells, William C. Coleman, Hilary Beane, Sharon Compton, Lieux Dressler, Jason Sommers, Curtis Henderson, Dorothy Meyer, Rita Gomez, Brooks Almy, Michael O'Keefe, Aneta Corsaut, Anjanette Comer, Judith McConnell, Janet MacLachlan, Charles Aidman, Davis Roberts, Kathryn Reynolds, Michael Swan, Helen Craig, Lucy Marlow, Jeff Goldblum, Sherry Jackson, P. J. Soles, Katherine Helmond, Gary Lockwood, Joanne Linville, Elisha Cook Jr., Jim Davis, James Whitmore Jr., Salome Jens, Norman Fell, Guy Stockwell, John Quade, John Lone, Woodrow Parfrey, Hampton Fancher, Jillian Kesner, Kathleen Hughes, Rudy Ramos.

On this day in movie history - The Blue Knight (1973):

The Blue Knight,

directed by Robert Butler,

written by E. Jack Newman,

based on the novel by Joseph Wambaugh,

a four-part made-for-TV film,

was originally broadcast on NBC from November 11 – 14, 1973.
Music by Nelson Riddle.

Cast:
William Holden, Lee Remick, Joe Santos, Sam Elliott, Eileen Brennan, Vic Tayback, Anne Archer, Lucille Benson, Ja'net DuBois, Mario Roccuzzo, Jamie Farr, David Moody, Gloria LeRoy, Richard Collier, Kenneth Wolger, George DiCenzo, Raymond Guth, Emile Meyer, Ernest Esparza III, John Quade, Janit Baldwin, Arell Blanton, Helen Boll, Simmy Bow, Don Calfa, Lou Cutell, Alan Fudge, John Furlong, Stan Haze, Howard Hesseman, Randy Kirby, Jon Korkes, Arthur Malet, Karmin Murcelo, Rudy Ramos, Paul Reid Roman, Lee Weaver, Jason Wingreen, Richard 'Dub' Wright, Harry Arnie, Katharine Bard, James Beach, Nanci Beck, Norland Benson, Roxanne Bonilla, Claire Brennen, Thomas Paul Carey, Ric Carrott, Stanley Bennett Clay, Patrick Dennis-Leigh, Larry Duran, Joseph X. Flaherty, Ben Frommer, Eddra Gale, Janie Greenspun, Raven Grey Eagle, Margie Haber, Monika Henreid, Janear Hines, Jan-Minika Hughes, J.S. Johnson, Richard E. Kalk, Wayne King Sr., Dudley Knight, Maryann Krakow, Bob Lauher, Norma Lee, David Lipp, Jay W. MacIntosh, E. Jack Neuman, Douglas T. O'Dell, Tim O'Denning, Danny 'Big Black' Rey, Richard Sarradet, Jeffrey Sayre, Christopher Seitz, Ken Smedberg, Nick St. Nicholas, Michael Stearns, Jack Tesler, Russell Thorson, Tom Tolbert, Dino Washington, John Sylvester White, Clint Young.