Midseason replacement

In North American Television a midseason replacement is a television show that premieres in the second half of the traditional television season, usually between January and April. A television program (US television programme (UK or television show (U Midseason replacements usually take place after a show that was in the fall schedule was canceled, put on hiatus or had a shorter season than other shows and the timeslot needs to be filled. The fall Schedule is the television lineup for the six major American commercial broadcast networks. Some midseason replacements get canceled like the shows they replaced, but others have gone on to be very successful.

Notable shows that started as midseason replacements include:

Series Name	Original Air Date	Replaced Series
Airwolf	January 22, 1984
All in the Family	January 12, 1971
Batman	January 12, 1966
Buffy the Vampire Slayer	March 10, 1997
Coach	February 28, 1989
Dallas	April 2, 1978
Dr. Quinn Medicine Woman	January 1, 1993
Dynasty	January 12, 1981
Eight Is Enough	March 15, 1977
Emergency!	January 15, 1972	The Good Life
Grey's Anatomy	March 27, 2005	Boston Legal
Happy Days	January 15, 1974
Hill Street Blues	January 17, 1981
The Incredible Hulk	March 10, 1978
It Takes a Thief	January 9, 1968
The Jeffersons	January 18, 1975
Just Shoot Me!	March 4, 1997
Kate & Allie	March 19, 1984
King of the Hill	January 12, 1997
Knots Landing	December 27, 1979
Laverne & Shirley	January 27, 1976
Malcolm in the Middle	January 9, 2000
Medium	January 3, 2005	LAX
Moesha	January 23, 1996
Moonlighting	March 3, 1985
My Wife and Kids	March 28, 2001
Nash Bridges	March 29, 1996
Night Court	January 4, 1984
Numb3rs	January 23, 2005
Perfect Strangers	March 25, 1986
Quantum Leap	March 26, 1989
Rules of Engagement	February 5, 2007	The New Adventures of Old Christine
The New Adventures of Old Christine	March 13, 2006	Courting Alex
The Office	March 24, 2005	Committed
The Practice	March 4, 1997	NYPD Blue
The Simpsons	December 17, 1989
The Six Million Dollar Man	January 18, 1974
The Unit	March 7, 2006	Love Monkey
The Wonder Years	March 15, 1988
3rd Rock from the Sun	January 9, 1996
Three's Company	March 15, 1977
Unhappily Ever After	January 11, 1995
Walker, Texas Ranger	April 21, 1993

Airwolf is an American Television series that ran from 1984 through 1987 All in the Family is an American Situation comedy that was originally broadcast on the CBS television network from January 12 1971 to April Batman is a 1960s American Television series, based on the DC Comic book character of the same name. Fictional narratives (and works of art exist beyond their completion e Coach is an American television Sitcom that aired for nine seasons on ABC from 1989 to 1997 Dallas is a highly popular long-running American prime-time television Soap opera that originally ran from 1978 to 1991 Dr Quinn Medicine Woman is a multi- Emmy Award winning American, western / drama series created by Beth Sullivan. Dynasty is an American Prime time television Soap opera that aired on ABC from January 12 1981 to Eight Is Enough is an American Television Comedy-drama series which ran on ABC from March 15, 1977 until Emergency! is a Medical drama Television series that was produced by Mark VII Limited ( Jack Webb 's company and distributed by The Good Life was a Situation comedy which was aired in the United States by NBC as part of its 1971-72 lineup. Grey’s Anatomy is an American Primetime television medical drama. Boston Legal is an American Legal drama - Comedy created by David E Happy Days is an American Television sitcom that originally aired from 1974 to 1984 on ABC. Hill Street Blues is a serial Police drama that was first aired on NBC in 1981 and ran for 146 episodes on primetime into 1987 The Incredible Hulk is an American Television series based on the Marvel Comic book character of the same name. It Takes a Thief is an American action-adventure television series that aired on ABC for two and a half seasons between January 9 1968 Just Shoot Me! is an Emmy and Golden Globe -nominated American Television sitcom that aired for seven seasons on Kate & Allie is an American Television Situation comedy which ran from March 19, 1984 to May 22, 1989. King of the Hill is an American animated series created by Mike Judge and Greg Daniels for the Fox Broadcasting Company Knots Landing is a Primetime Television Soap opera that aired for 14 seasons from December 27 1979 to May 13 Laverne & Shirley was a popular American television Situation comedy that ran on ABC from 1976 to 1983 Malcolm in the Middle was a seven-time Emmy Award -winning one-time Grammy -winning He had run off and married a good-natured Canadian woman Medium is an American Dramatic Television series which premiered on NBC on January 3, 2005. LAX was a television drama set at the Los Angeles International Airport and drew its name from the airport's IATA airport code, "LAX" Moesha is an American Situation comedy produced for the UPN network from January 23, 1996 to May 14, 2001 Moonlighting is an American Television series that first aired on ABC from 1985 to 1989 with a total of 67 episodes My Wife and Kids is an American sitcom which ran on ABC from March 28 2001 until May 17 2005 starring Damon Wayans and Nash Bridges is an American television Police Drama that was created by Carlton Cuse. Night Court is an American television Situation comedy that aired on NBC from January 1984 until May 1992 NUMB3RS (pronounced Numbers) is an American Television show produced by brothers Ridley and Tony Scott. Perfect Strangers is an American Sitcom that ran for eight seasons from 1986 through 1993 on ABC. Quantum Leap is an American science fiction television series that ran for 96 episodes from March 1989 to May 1993 on the NBC network Rules of Engagement is a Sitcom that debuted on CBS on February 5, 2007, as a Midseason replacement, immediately following The New Adventures of Old Christine is an American Sitcom starring Julia Louis-Dreyfus as a single American mother The New Adventures of Old Christine is an American Sitcom starring Julia Louis-Dreyfus as a single American mother Courting Alex is a short-lived American Sitcom that aired on CBS from January 23, 2006 to March 29 Committed was a Television Sitcom that aired on NBC as a Midseason replacement from January 4 to March 15 The Practice is a American Legal drama created by David E Kelley centering on the partners and associates at a Boston NYPD Blue is an American television police drama set in New York City, exploring the internal and external struggles of the fictional 15th precinct The Six Million Dollar Man is an American Television series about a fictional Cyborg working for the OSI (which was usually said to refer The Unit is an American action-drama television series that focuses on a top-secret military unit modeled after the real life Delta Force. Love Monkey is a short-lived Television series created by Michael Rauch and based on a book of the same name, by Kyle Smith 3rd Rock from the Sun is an Emmy Award -winning American sitcom that aired from 1996 until 2001 on NBC. Three's Company is an American Sitcom that aired from 1977 to 1984 on ABC. Unhappily Ever After (often shortened to Unhappily in promotional advertisements was an American sitcom that aired for 100 Walker Texas Ranger is an American Television western / police drama series created by Lesie Grief and Paul Haggis.