Doctor Who Unbound is a series ofaudio plays produced byBig Finish Productions. Free from the constraints ofcontinuity, theDoctor Who Unbound audios present a series of "What if...?" scenarios, and cast new actors in the role ofthe Doctor.

InExile,Arabella Weir plays a female incarnation ofthe Doctor.^{[1][2][3][4][5][6]} Americanalternative weeklyHouston Press's Jef Rouner described her portrayal as "one of the most melancholy of all the Doctors."^[5] Other actors who played the Doctor includedGeoffrey Bayldon,David Collings,Derek Jacobi, andDavid Warner.^[3][5]

Sympathy for the Devil featuresUNIT during thetransfer of sovereignty over Hong Kong in 1997.^[7] David Warner played an alternate Third Doctor in the story, which also sawNicholas Courtney play an alternate version ofThe Brigadier andMark Gatiss play an alternate version ofThe Master. Warner and Courtney reprised their roles for the eighth story in the range,Masters of War. In 2016, Warner and Gatiss reprised their roles as the Doctor and the Master respectively forThe New Adventures of Bernice Summerfield audio drama series:The Unbound Universe and its sequelRuler of the Universe in 2017. After being pulled from theUnbound universe into the regular continuity of the Doctor Who universe, both characters have made ongoing appearances in various Big Finish ranges.

In February 2022, after a 14-year hiatus, Big Finish Productions announced the return of Unbound. Two boxsets, compromising of 3 stories in each, featureColin Baker as an alternateWarrior Doctor known as "The Doctor of War" in a universe where the Fourth Doctor made theultimate decision on Skaro, destroying the Daleks and showing how events may have unfolded after that fateful decision was made. These boxsets were announced to be released in April and September 2022 respectively.^[8]

On 28 September 2022, Big Finish re-released the original first 8 stories in a download boxset titledDoctor Who: Unbound: 1-8 Collected.^[9]

From 2017 to 2021, David Bradley reprised the role ofFirst Doctor in Big Finish'sThe First Doctor Adventures range, having played the character in the2017 Christmas special "Twice Upon A Time" and2022 Centenary special "The Power of the Doctor" as well as2013 docudrama "An Adventure in Space and Time" in which he played original First Doctor actorWilliam Hartnell. The latter which he co-starred withJemma Powell,Jamie Glover and Claudia Grant who played actorsJaqueline Hill,William Russell andCarole Ann Ford in the docudrama as well as playing the actors's original parts ofBarbara Wright,Ian Chesterton andSusan Foreman.^[10] On 11 February 2022, it was announced that Stephen Noonan would instead takeover the role of the First Doctor with a portrayal closer to the character's original depiction.^[11][12] In April 2022, Executive Producer Nicholas Briggs expressed interest in producing further stories with Bradley.^[12] In Issue 167 of Big Finish's magazine Vortex, Briggs teased further stories featuring Bradley's portrayal, saying "We've some very exciting plans afoot for further stories with David Bradley — something quite out of the ordinary and rather delightful."^[13] On 17 April, it was announced Bradley would continue to play a new alternate version of the First Doctor alongside Powell, Glover and Grant as alternate versions of their respective characters, but now as part of the Unbound range instead, in a series titledThe First Doctor Unbound. Producer David O’Mahony stated that the series would take "stylistic inspiration" from “The Peter Cushing feature films".^[14]

Den of Geek's Andrew Blair selectedDoctor Who Unbound as one of the tenDoctor Who stories that would make great musicals.^[25]The Mary Sue's Alan Kistler said "fans enjoyed imagining these alternate Doctors" ofDavid Warner andArabella Weir.^[3] Americanalternative weekly newspaperHouston Press's Jef Rouner said the series "fielded a fantastic set of stories."^[5]

In 2016,BBC America'sAnglophenia featured a fan-made version of theDoctor Who theme music forUnbound's alternateSecond Doctor.^[26]

• Audio plays based on Doctor Who
• Big Finish Productions
• Doctor Who spinoffs

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