Writing

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… Writer

2024

(1 episode) … Writer

2022		Inside Man (4 episodes) … Writer
2022		The Time Traveler's Wife (6 episodes) … Writer

2020		Doctor Who: Pompadour … Writer
2020		Dracula (3 episodes) … Writer

2017

… Writer

2016		Doctor Who: The Return of Doctor Mysterio … Writer
2016		Sherlock: The Abominable Bride … Writer

2015		Doctor Who: The Husbands of River Song … Writer
2015		Doctor Who: The Doctor's Meditation … Writer

2014		Doctor Who: Last Christmas … Writer
2014		Doctor Who: Dark Water / Death in Heaven … Writer
2014		Doctor Who: Deep Breath … Screenplay

2013		Doctor Who: The Time of the Doctor … Writer
2013		Sherlock: Many Happy Returns … Writer
2013		The Day of the Doctor: Cinema Intro … Writer
2013		Doctor Who: The Day of the Doctor … Writer
2013		Doctor Who: The Last Day … Writer
2013		Doctor Who: The Night of the Doctor … Writer
2013		Doctor Who: Rain Gods … Writer
2013		Doctor Who: The Inforarium … Writer
2013		Doctor Who: Clara and the TARDIS … Writer
2013		Doctor Who at the Proms … Writer
2013		Doctor Who: Clarence and the Whispermen … Writer
2013		Doctor Who: She Said, He Said … Writer
2013		Doctor Who: The Bells of Saint John Prequel … Writer

2012		Doctor Who: The Snowmen … Writer
2012		Doctor Who - Night and the Doctor: Up All Night … Writer
2012		Doctor Who -The Night and The Doctor: Last Night … Writer
2012		Doctor Who - Night and the Doctor: First Night … Writer
2012		Doctor Who - Night and the Doctor: Good Night … Writer
2012		Doctor Who - Night and the Doctor: Bad Night … Writer
2012		Doctor Who: Vastra Investigates … Writer
2012		Doctor Who: The Great Detective … Writer
2012		Doctor Who: Asylum of The Daleks Prequel … Writer

2011		Doctor Who: The Doctor, the Widow and the Wardrobe … Writer
2011		Doctor Who: The Doctor, The Widow and The Wardrobe Prequel … Writer
2011		The Adventures of Tintin … Screenplay
2011		Doctor Who: The Wedding of River Song Prequel … Writer
2011		Doctor Who: Let’s Kill Hitler Prequel … Writer
2011		Doctor Who: A Good Man Goes To War Prequel … Writer
2011		Doctor Who: The Impossible Astronaut Prequel … Writer

2010		Doctor Who: A Christmas Carol … Writer
2010		Doctor Who: Meanwhile in the TARDIS: Part 2 … Writer
2010		Doctor Who: Meanwhile in the TARDIS: Part 1 … Writer
2010		Doctor Who at the Proms … Writer
2010		Sherlock (9 episodes) … Writer

2007		Doctor Who: Time Crash … Writer
2007		Jekyll (6 episodes) … Writer
2007		Doctor Who: Blink … Writer

2005

(1 episode) … Author (50 episodes) … Writer

2003

(5 episodes) … Writer

2000

(28 episodes) … Writer

1999

… Writer

1997

(12 episodes) … Writer

1993

(12 episodes) … Writer

1992

… Writer

1991

(3 episodes) … Writer

1989		Stay Lucky (1 episode) … Writer
1989		Press Gang (43 episodes) … Writer