TV Doctor Who - Season 9 Episode 8 : The Zygon Inversion (2) Doctor Who - Season 9 Episode 8 : The Zygon Inversion (2) 7.576/10 by 3245 users With UNIT neutralised, only the Doctor stands in the way of the Zygons. Details Casts Posters Images Title Doctor Who - Season 9 Episode 8 : The Zygon Inversion (2) 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 9 :Episode 1 The Magician's Apprentice (1) The Magician's Apprentice (1) 2015-09-19 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 9 :Episode 2 The Witch's Familiar (2) The Witch's Familiar (2) 2015-09-26 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 9 :Episode 3 Under the Lake (1) Under the Lake (1) 2015-10-03 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 9 :Episode 4 Before the Flood (2) Before the Flood (2) 2015-10-10 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 9 :Episode 5 The Girl Who Died (1) The Girl Who Died (1) 2015-10-17 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 9 :Episode 6 The Woman Who Lived (2) The Woman Who Lived (2) 2015-10-24 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 9 :Episode 7 The Zygon Invasion (1) The Zygon Invasion (1) 2015-10-31 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 9 :Episode 8 The Zygon Inversion (2) The Zygon Inversion (2) 2015-11-07 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 9 :Episode 9 Sleep No More Sleep No More 2015-11-14 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 9 :Episode 10 Face the Raven Face the Raven 2015-11-21 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 9 :Episode 11 Heaven Sent (1) Heaven Sent (1) 2015-11-28 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 9 :Episode 12 Hell Bent (2) Hell Bent (2) 2015-12-05 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...