Editing Dirk Gently's Holistic Detective Agency (section)

==Adaptations==
On 5 January 1992, Dirk Gently, Richard MacDuff, Dirk's secretary, and the Electric Monk all appeared in the Douglas Adams episode of the British arts documentary series ''[[The South Bank Show]]''.<ref>{{cite web|url=https://www.imdb.com/title/tt0077082/epcast|title=Cast list for The South Bank Show episode|website=IMDb.com|access-date=2016-12-12}}</ref> [[Michael Bywater]] played Dirk, while [[Paul Shearer]] played both Richard and the Monk. Several characters from ''[[The Hitchhiker's Guide to the Galaxy]]'' were also featured, played by the original television series actors.

The book has been adapted for stage performance as ''[[Dirk (play)|Dirk]]'' and in 2005, some fans of Douglas Adams produced an amateur radio series based on the first book. Their efforts began and were coordinated on the Douglas Adams Continuum website.<ref>{{cite web |url=http://www.douglasadams.se/forum/viewforum.php?f%3D26%26sid%3Daba592c461483f1e967856103ec5048f |title=Archived copy |access-date=2006-12-27 |url-status=dead |archive-url=https://web.archive.org/web/20070209062113/http://www.douglasadams.se/forum/viewforum.php?f=26&sid=3363211a9b5afaae38c1b40b63c21551 |archive-date=9 February 2007}}</ref> Three episodes were completed.<ref>{{cite web|url=http://dirkgently.podomatic.com |title=Dirk Gently's Holistic Detective Agency &#124; Free Podcasts &#124; PodOmatic |website=Dirkgently.podomatic.com |access-date=2016-12-12}}</ref> Apart from the radio broadcasts, Douglas Adams recorded both unabridged and abridged readings of the first novel for the audiobook market.

===Radio===
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Announced on 26 January 2007, BBC Radio 4 commissioned [[Above the Title Productions]] to make eighteen 30-minute adaptations of Douglas Adams' ''Dirk Gently'' books (including ''[[The Long Dark Tea-Time of the Soul]]'' and the unfinished ''[[The Salmon of Doubt]]''), running in three series of six episodes.<ref>{{cite web|url=https://www.bbc.co.uk/radio4/dirkgently/ |title=BBC Radio 4 – Comedy – Dirk Gently's Holistic Detective Agency – Home Page |website=Bbc.co.uk |date=2008-11-06 |access-date=2016-12-12}}</ref>

The first series began on 3 October 2007 and features [[Harry Enfield]] as Dirk, [[Billy Boyd (actor)|Billy Boyd]] as Richard, [[Olivia Colman]] as Janice, [[Jim Carter (actor)|Jim Carter]] as Gilks, [[Andrew Sachs]] as Reg, [[Felicity Montagu]] as Susan, [[Robert Duncan (actor)|Robert Duncan]] as Gordon, [[Toby Longworth]] as the Monk, [[Michael Fenton Stevens]] as Michael, [[Andrew Secombe]], [[Jon Glover]], [[Jeffrey Holland (actor)|Jeffrey Holland]], Wayne Forester and Tamsin Heatley.<ref>{{cite web|url=https://www.bbc.co.uk/pressoffice/pressreleases/stories/2007/07_july/13/dirk.shtml|title=BBC – Press Office – Dirk Gently's Holistic Detective Agency opens for business|access-date=2007-08-14}}</ref><ref>{{cite web  |url=http://www.dirkmaggs.dswilliams.co.uk/dirk%20maggs%20news%20%20new%20projects.htm | title = Dirk Maggs News & New Projects |archive-url=https://web.archive.org/web/20021209193312/http://www.dirkmaggs.dswilliams.co.uk/dirk%20maggs%20news%20%20new%20projects.htm  |archive-date=9 December 2002  |access-date=2007-03-09  |url-status=dead }}</ref><ref>{{cite web|url=https://www.bbc.co.uk/radio4/dirkgently/ |title=BBC Radio 4 – Comedy – Dirk Gently's Holistic Detective Agency – Home Page |publisher=Bbc.co.uk |date=2008-11-06 |access-date=2016-12-12}}</ref>

The script for ''Dirk Gently's Holistic Detective Agency'' was written by [[Dirk Maggs]], who also directs, and John Langdon. The show was produced by Maggs and Jo Wheeler. As with the previous ''Hitchhiker''{{'}}s series, the CD version features greatly expanded episodes.<ref>{{cite web |url=http://www.abovethetitle.com/hda_home.php/ |title=Above the Title &#124; Dirk Gently's Holistic Detective Agency |access-date=2007-09-21 |url-status=dead |archive-url=https://web.archive.org/web/20071011224655/http://abovethetitle.com/hda_home.php |archive-date=11 October 2007}}</ref> There are a number of structural and detail differences between the radio adaptation and the book, mostly to aid the comprehension of the story when split into six half-hour episodes.

Dirk Maggs parted ways with Above the Title Productions when he started his own production company, Perfectly Normal Productions, and so the project was never completed and the proposed radio series of ''The Salmon of Doubt'' remains unmade.

===Comic book===
Cartoonist Ray Friesen made an unlicensed comic adaptation of the first novel for a book report. A few years later, in 2004, he posted 18 pages of it online as a [[webcomic]].<ref>{{cite web |author=Ray Friesen|title=Comic book adaptation of ''Dirk Gently's Holistic Detective Agency''.|url=http://www.dirk-gently.com/ |archive-url=https://web.archive.org/web/20040410080252/http://www.dirk-gently.com/ |archive-date=10 April 2004 }}</ref>

[[IDW Entertainment]] and Ideate Media have adapted ''Dirk Gently'' into a limited comic book series and, later, an American television series for [[BBC America]]. The comic series premiered in May 2015.<ref>{{cite web | url =  http://www.bleedingcool.com/2014/08/04/idw-to-create-us-tv-and-comic-book-adaptations-of-douglas-adams-dirk-gentlys-detective-agency/ |  title = IDW To Create US TV And Comic Book Adaptations of Douglas Adams' Dirk Gently's Detective Agency | publisher = [[Bleeding Cool News]] | date = 4 August 2014 | access-date = 4 August 2014 | first = Rich | last = Johnson }}</ref><ref>{{cite news | url = http://www.avclub.com/article/max-landis-turning-douglas-adams-dirk-gently-books-207748 | title = Max Landis is turning Douglas Adams' Dirk Gently books into a TV series | newspaper = [[The A.V. Club]] | date = 4 August 2014 | access-date = 5 August 2014 | first = William | last = Hughes }}</ref><ref>{{cite web | url=http://www.idwpublishing.com/product/dirk-gentlys-holistic-detective-agency-1/ | title = IDW Publishing page for DIRK GENTLY'S HOLISTIC DETECTIVE AGENCY #1 | publisher = [[IDW Publishing]] | date = May 2015 | access-date = 29 August 2015}}</ref>

===Television===
{{main|Dirk Gently (TV series)|Dirk Gently's Holistic Detective Agency (TV series)}}
There have been two television series based on Dirk Gently books and characters.

The first series, ''[[Dirk Gently (TV series)|Dirk Gently]]'', featuring the character was announced during [[Hitchcon]], a 2009 ''Hitchhiker's Guide to the Galaxy'' event to launch the sixth ''Hitchhiker's'' book. [[Ed Victor]], a literary agent who represents Adams' estate, announced that a television adaptation of ''Dirk Gently's Holistic Detective Agency'' was in production. [[Stephen Mangan]] played Gently, with [[Darren Boyd]] as Macduff and [[Helen Baxendale]] as Susan.  It was broadcast on [[BBC Four]] on 16 December 2010.<ref>{{cite news|url=https://www.bbc.co.uk/news/entertainment-arts-11482882|title=BBC News – Stephen Mangan to star as detective Dirk Gently|access-date=2010-10-10 | date=6 October 2010}}</ref> The hour-long pilot was well-received, leading to three further episodes being commissioned.<ref name=return>Jason Deans, "[https://www.theguardian.com/media/2011/mar/31/dirk-gently-to-return-to-bbc4 ''Dirk Gently'' to return to BBC4]", ''[[The Guardian]]'', 31 March 2011</ref> These aired on BBC4 during March 2012.

A second series, ''[[Dirk Gently's Holistic Detective Agency (TV series)|Dirk Gently's Holistic Detective Agency]]'' was released in January 2016. BBC America produced 18 episodes starring [[Samuel Barnett (actor)|Samuel Barnett]] as Dirk Gently, [[Elijah Wood]] as Todd Brotzman, [[Hannah Marks]] as Amanda Brotzman, and [[Jade Eshete]] as Farah Black. As of July 2020 it is available on the [[Hulu]] streaming service.