Series 9 of Doctor Who premiered on the 19th of September 2015 with "The Magician's Apprentice" and concluded on the 5 of December 2015 with "Hell Bent".
Peter Capaldi returned for his second series as the 12th Doctor as did Jenna Coleman for her third and final series as Clara Oswald.
The series was led by head writer and executive producer Steven Moffat, alongside executive producer Brian Minchin.
The Zygon Invasion and The Zygon Inversion
Written by Peter Harness and Steven Moffat (Part 2 only) and Directed by Daniel Nettheim
Sleep No More
Written by Mark Gatiss and Directed by Justin Molotnikov
Face the Raven
Written by Sarah Dollard and Directed by Justin Molotnikov
Heaven Sent and Hell Bent
Written by Steven Moffat and Directed by Rachel Talalay
The Husbands of River Song
Written by Steven Moffat and Directed by Douglas Mackinnon
The Magician's Apprentice and The Witch's Familiar
Written By Steven Moffat and Directed By Hettie MacDonald
Under the Lake and Before the Flood
Written by Toby Whithouse and Directed by Daniel O'Hara
The Girl Who Died
Written by Jamie Mathieson and Steven Moffat and Directed by Ed Bazalgette
The Woman Who Lived
Written by Catherine Tregenna and Directed by Ed Bazalgette