S9, E3: When an underwater base comes under attack, the Doctor and Clara must save the frightened crew and defeat an impossible threat. But what is behind these terrifying events?
Sci-Fi · Oct 3, 2015 · 43 min
Information
- Released
- 2015
- Run Time
- 43 min
- Rated
- TV-PG
- Region of Origin
- United Kingdom
- © 2014-2017 BBC
Languages
- Original Audio
- English (United Kingdom), English, English (Australia)
- Audio
- English (United States) (AAC, Dolby 5.1)
- Subtitles
- English (CC)
Accessibility
- Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.