Sorry, this episode is not currently available

Episode 2

Doctor Who, Season 7, Inferno Episode 2 of 7

The green slime oozing from the drill head is transforming men into monsters. Stahlman refuses to listen to the warnings and resorts to sabotage so that his project may continue.

Release date:

25 minutes

Last on

Sat 16 May 1970 17:15

Series 10: The Videos!

The making of Smile

See the behind-the-scenes videos, interviews, clips and other goodies!

It's Time for Class

Class Iconic

Binge watch the entire first series now (may not be suitable for younger audiences).

Follow Doctor Who on Social Media

The making of Smile

For the latest news, photos, videos and more, follow us on:

Doctor Who Game Maker

Doctor Who Game Maker

Create and play your own amazing adventures in time and space!

TARDIS Index Files

TARDIS Index Files

Find out what the TARDIS has on file about the Sontarans.

Buy online

Buy online

Available on: DVD or Video download

From suppliers including: BBC Store

Where to buy