Doctor Who Unbound is a series of audio plays produced by Big Finish Productions. Free from the constraints of continuity, the Doctor Who Unbound audios present a series of "What if...?" scenarios, and cast new actors in the role of the Doctor.
David Warner is reprising his version of the Doctor in series 3 of The New Adventures of Bernice Summerfield subtitled The Unbound Universe.
In Exile, Arabella Weir plays a female incarnation of the Doctor. American alternative weekly Houston Press's Jef Rouner described her portrayal as "one of the most melancholy of all the Doctors." Other actors who played the Doctor included Geoffrey Bayldon, David Collings, Derek Jacobi, and David Warner.
Sympathy for the Devil features UNIT during the transfer of sovereignty over Hong Kong in 1997.Sympathy for the Devil also saw the return of The Brigadier (Nicholas Courtney) as well as feature actors Mark Gatiss and David Tennant.