Listeners have already helped us choose our shortlist of twenty titles from over 15 years of thrilling, exciting stories – and now we need your help to choose the favourite!

Our qualifying shortlist of titles comprises:

14. The Holy Terror by Robert Shearman

16. Storm Warning by Alan Barnes

29. The Chimes of Midnight by Robert Shearman

34. Spare Parts by Marc Platt

43. Doctor Who and the Pirates by Jacqueline Rayner

48. Davros by Lance Parkin

65. The Juggernauts by Scott Alan Woodard

72. Terror Firma by Joseph Lidster

81. The Kingmaker by Nev Fountain

91. Circular Time by Paul Cornell and Mike Maddox

103. The Girl Who Never Was by Alan Barnes

104. The Bride of Peladon by Barnaby Edwards

123. The Company of Friends by Lance Parkin, Stephen Cole, Alan Barnes and Jonathan Morris

140. A Death in the Family by Steven Hall

149. Robophobia by Nicholas Briggs

153. The Silver Turk by Mark Platt

169. The Wrong Doctors by Matt Fitton

178. 1963: Fanfare for the Common Men by Eddie Robson

194. The Rani Elite by Justin Richards

199. Last of the Cybermen by Alan Barnes

Twenty amazing stories – but there can be only one winner! Click here to register your vote – and be in with a chance of winning our grand prize of the first 200 digital releases from the Doctor Who Main Range.

Closing date for entries is 27th of November 2015 – so vote now before it's too late! For more information on our monthly Doctor Who Main Range, check out the range page here – with our earliest releases available to download for just £2.99 each!

The range continues this month with Colin Baker and Miranda Raison as the Sixth Doctor and Mrs Constance Clarke in Doctor Who: Shield of the Jötunn!