Doctor Who: The Third Doctor Adventures Doctor Who: The Third Doctor Adventures "The Third Doctor Adventures" is a Big Finish Productions audio play series based on the TV show Doctor Who. It sees the return of Katy Manning as Jo Grant and Richard Franklin as Mike Yates, while the voice of the Third Doctor is performed by Tim Treloar replacing the original actor, Jon Pertwee, who died in 1996. The first set of stories was released in September 2015. A second and third volume were released November 2016 and August 2017 respectively. A fourth volume was released in March 2018. A fifth volume was confirmed in
The Doctor (Doctor Who) with stasers, weapons capable of suppressing regeneration. In "Death of the Doctor", a serial from spin-off programme "The Sarah Jane Adventures", the Eleventh Doctor flippantly responds to a child that he can regenerate "507" times; writer Russell T. Davies intended this line as a joke. Due to the retroactive creation of a numberless War Doctor and the Tenth Doctor's aborted regeneration in "The Stolen Earth"/"Journey's End", the Eleventh Doctor was the final incarnation in his natural cycle. The Time Lords used a crack in the universe to give him a new cycle consisting of an unknown number of regenerations in