Question: What 1984 supernatural comedy film was written by the original head writer of the television series "SCTV"?

Context articles: Scooby-Doo! Curse of the Lake Monster
Doctor Who (series 10)
Harold Ramis
Ghostbusters
Dorothy Ann Purser
Ghostbusters (franchise)
Ghostbusters II
Club Paradise
The Dumping Ground (series 3)
The Dave Thomas Comedy Show

Scooby-Doo!
 Curse of the Lake Monster is a 2010 television supernatural comedy film directed by Brian Levant for Cartoon Network and based on the Saturday morning cartoon series "Scooby-Doo" by Hanna-Barbera.
 It is the fourth installment in the "Scooby-Doo" live-action film series and a sequel to the 2009 film "Scooby-Doo!
 The Mystery Begins", whose cast reprise their roles again here.
 The film was shot in Santa Clarita, California and Sherwood Country Club in Thousand Oaks, California and premiered on October 16, 2010.
The tenth series of the British science fiction television programme "Doctor Who" premiered on 15 April 2017 and concluded on 1 July 2017, and consisted of twelve episodes, after it was announced in July 2015 that BBC Worldwide had invested in a tenth series of the programme in its annual review.
 The series is led by head writer and executive producer Steven Moffat, alongside executive producer Brian Minchin.
 It is the third and final series overseen by the two as executive producers, as well as Moffat's sixth and final series as head writer.
 This series is the tenth to air following the programme's revival in 2005, and is the thirty-sixth season overall.
Harold Allen Ramis (November 21, 1944 – February 24, 2014) was an American actor, director, writer, and comedian.
 His best-known film acting roles were as Egon Spengler in "Ghostbusters" (1984) and "Ghostbusters II" (1989) and Russell Ziskey in "Stripes" (1981); he also co-wrote those films.
 As a director, his films include the comedies "Caddyshack" (1980), "National Lampoon's Vacation" (1983), "Groundhog Day" (1993), and "Analyze This" (1999).
 Ramis was the original head writer of the television series "SCTV", on which he also performed, as well as a co-writer of "Groundhog Day" and "National Lampoon's Animal House" (1978).
 His final film that he wrote, produced, directed and acted in was "Year One" (2009).
Ghostbusters is a 1984 American supernatural comedy film directed and produced by Ivan Reitman and written by Dan Aykroyd and Harold Ramis.
 The film stars Bill Murray, Aykroyd and Ramis as eccentric parapsychologists who start a ghost-catching business in New York City.
 Sigourney Weaver and Rick Moranis co-star as a client and her neighbor, and Ernie Hudson as the Ghostbusters' first recruit.
Dorothy Ann Purser is a screenwriter who was born in Hammond, Louisiana.
 Purser is best known for her work on the television series "Days of Our Lives" as the head writer and co-writer, and on the television series "Guiding Light" as head writer.
 She has been nominated for seven awards, and has received two including a Daytime Emmy.
Ghostbusters is a supernatural comedy franchise created in 1984.
 Its first installment was the film "Ghostbusters", released on June 8, 1984, by Columbia Pictures.
 It centers on a group of eccentric New York City parapsychologists who investigate and capture ghosts for a living.
 For the film, the franchise licensed action figures, novelizations, and other original "Ghostbusters"-themed products.
 After the initial success, they released original material in other fields such as comic books, video games, television series, and a theme park attraction.
Ghostbusters II is a 1989 American supernatural comedy film directed and produced by Ivan Reitman, written by Dan Aykroyd and Harold Ramis and starring Bill Murray, Aykroyd, Sigourney Weaver, Ramis, Ernie Hudson and Rick Moranis.
 It is the sequel to the 1984 film "Ghostbusters", and follows the further adventures of the three parapsychologists and their organization which combats paranormal activities.
Club Paradise is a 1986 American comedy film directed by Harold Ramis starring Robin Williams, Peter O'Toole, and Jimmy Cliff.
 The film reunites director / co-writer Ramis with most of his SCTV co-stars – "SCTV" cast members Andrea Martin, Eugene Levy, Rick Moranis, Joe Flaherty, and Robin Duke play supporting roles in the film, as does co-writer Brian Doyle-Murray, a former "SCTV" staff writer.
The third series of the British children's television series "The Dumping Ground" was broadcast from 16 January 2015 on CBBC and CBBC HD.
 The series follows the lives of the children living in the fictional children's care home of Ashdene Ridge, nicknamed by them "The Dumping Ground".
 It consists of twenty thirty-minute episodes, airing in two halves, and is the eleventh series in the "Tracy Beaker" franchise.
 It was confirmed that head writer, Elly Brewer, who has been the head writer for "Tracy Beaker Returns" and the previous "The Dumping Ground" series, will not be a part of the writing team for this series.
 The series aired from 16 January 2015 to 13 March 2015, and from 6 October 2015 to 8 December 2015.
The Dave Thomas Comedy Show (later simply Dave Thomas) was a sketch-based, half-hour, five-week summer replacement series, which aired on CBS in the summer of 1990.
 The show starred Canadian comedian Dave Thomas, who is best known for an earlier sketch comedy series, "SCTV".
 Thomas himself served as head writer, while the writing staff included Hollywood scriptwriter Ed Solomon and Mike Myers.
 The series debuted May 28, 1990.