Question: Which script by Maurice Gran was also a popular British sitcom by the same name?

Context paragraphs:
Maurice Gran: Maurice Bernard Gran (born 26 October 1949, London, England) is one half of scriptwriting duo Marks & Gran.  He co-wrote popular sitcoms "The New Statesman", "Birds of a Feather" and "Goodnight Sweetheart" with Laurence Marks.  Their theatre works include Dreamboats and Petticoats, Save The Last Dance For Me and Dreamboats and Miniskirts.

Dr. Freud Will See You Now, Mrs. Hitler: Dr. Freud Will See You Now, Mrs. Hitler is an alternate history play written by British comedy writing duo Laurence Marks and Maurice Gran.

Young, Gifted and Broke: Young, Gifted and Broke is an ITV's 1989 British sitcom series was created by Laurence Marks and Maurice Gran.  The show stars Elena Ferrari, Cheryl Miller, Mark Monero, Jason Rush and Kate Emma Davies as five teenagers who are working at an electronics on a Youth Training Scheme.  James Hazeldine plays their teacher Paul and Mary Healy plays Paul's wife Emma.

Get Back (TV series): Get Back is a British sitcom written by Laurence Marks and Maurice Gran which ran for two series between 26 October 1992 and 15 November 1993.  It followed the Sweet family, led by father Martin, played by Ray Winstone, a self-made man who lost his money in the recession of the early 1990s and has to downsize, moving in with his father in a council flat.  It is notable for the early appearance of Kate Winslet, who played one of the family's daughters.  The series title, the character names and the titles of each episode were all inspired by Beatles songs.

Dreamboats and Petticoats: Dreamboats and Petticoats is a jukebox musical based on popular songs from the fifties and early sixties.  The musical, featuring those songs of the rock 'n' roll era, is set around the years 1957 to 1963 and was written by Laurence Marks and Maurice Gran.

Goodnight Sweetheart (TV series): Goodnight Sweetheart was a British sitcom that ran for six series on BBC1 from 1993 to 1999.  The show returned on 2 September 2016, for a one-off special entitled "Many Happy Returns". .  It starred Nicholas Lyndhurst as Gary Sparrow, an accidental time traveller who leads a double life after discovering a time portal allowing him to travel between the London of the 1990s and the same area during the Second World War.

Laurence Marks (British writer): Laurence Marks (born 8 December 1948) is a British sitcom writer and one half of writing duo Marks & Gran, his collaborator being Maurice Gran.

Birds of a Feather: Birds of a Feather (commonly abbreviated to BOAF) is a British sitcom originally broadcast on BBC One from 16 October 1989 to 24 December 1998, then revived on ITV on 2 January 2014.  Starring Pauline Quirke, Linda Robson and Lesley Joseph, it was created by Laurence Marks and Maurice Gran, who also wrote some of the episodes along with many other writers.

List of Goodnight Sweetheart characters: This is a list of characters from "Goodnight Sweetheart", a BBC sitcom that ran for six series from 1993 and 1999.  It starred Nicholas Lyndhurst as the accidental time traveller Gary Sparrow, who leads a double life after discovering a time portal allowing him to travel from the 1990s to a war-torn London.  The show was created by Laurence Marks and Maurice Gran, also creators of other hits such as "Birds of a Feather" and "The New Statesman."  The creators wrote the first series, episodes after which were written by a team of writers, including Marks and Gran.

The New Statesman: The New Statesman is a British sitcom made in the late 1980s and early 1990s satirising the United Kingdom's Conservative Party Government of the period.  It was written by Laurence Marks and Maurice Gran at the request of, and as a starring vehicle for, its principal actor Rik Mayall.

Supporting paragraphs: Maurice Gran Goodnight Sweetheart (TV series)
Answer: Goodnight Sweetheart