Part 4

Image for Part 4Not currently available on BBC iPlayer

Duration: 25 minutes

Davros' new generation of Daleks is destroyed, but once again, their creator escapes.

More episodes

Broadcasts

Doctor Who Extra: Listen - Watch it Now!

Doctor Who Extra: Listen - Watch it Now!

Peter Capaldi and the team reveal the secrets behind one of the spookiest episodes yet…

Buy online

Available on: DVD

From suppliers including: BBC Shop

Where to buy

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Added. Check out your playlist Dismiss