TV Doctor Who - Season 7 Episode 3 : A Town Called Mercy Doctor Who - Season 7 Episode 3 : A Town Called Mercy 7.576/10 by 3245 users The Doctor gets a Stetson (and a gun!), and finds himself the reluctant Sheriff of a Western town under siege by a relentless cyborg, who goes by the name of the Gunslinger. But who is he and what does he want? The answer seems to lie with the mysterious, Kahler-Jex, an alien doctor (yes another one!) whose initial appearance is hiding a dark secret. Details Casts Posters Images Title Doctor Who - Season 7 Episode 3 : A Town Called Mercy Alternative Titles Доктор Ху, 神秘博士, دكتور هو, Docteur Who, Dr Who, Doctor Who (2005-2022), 超時空奇俠, דוקטור הו, 닥터후, Doktor Hu, Доктор Что First Air Date 2005-03-26 Last Air Date 2021-12-05 Number of Episodes 153 Number of Seasons 13 Genres Action & Adventure, Drama, Sci-Fi & Fantasy, Networks BBC One, Casts Jodie Whittaker, Mandip Gill, John Bishop, Billie Piper Plot Keywords , The Doctor Jodie Whittaker Yasmin 'Yaz' Khan Mandip Gill Dan Lewis John Bishop Rose Tyler Billie Piper Episodes List Doctor Who Season 7 :Episode 1 Asylum of the Daleks Asylum of the Daleks 2012-09-01 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 2 Dinosaurs on a Spaceship Dinosaurs on a Spaceship 2012-09-08 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 3 A Town Called Mercy A Town Called Mercy 2012-09-15 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 4 The Power of Three The Power of Three 2012-09-22 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 5 The Angels Take Manhattan The Angels Take Manhattan 2012-09-29 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 6 The Bells of Saint John The Bells of Saint John 2013-03-30 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 7 The Rings of Akhaten The Rings of Akhaten 2013-04-06 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 8 Cold War Cold War 2013-04-13 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 9 Hide Hide 2013-04-20 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 10 Journey to the Centre of the TARDIS Journey to the Centre of the TARDIS 2013-04-27 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 11 The Crimson Horror The Crimson Horror 2013-05-04 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 12 Nightmare in Silver Nightmare in Silver 2013-05-11 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a... Doctor Who Season 7 :Episode 13 The Name of the Doctor The Name of the Doctor 2013-05-18 The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a...