In 2020, the most ambitious drilling project in history is under way. Dr Nasreen Chaudry and her team have reached 21 kilometers into the Earth's crust - but something is stirring far below. Amy Pond discovers there's nowhere to run when you can't even trust the ground at your feet.
- Writer
- Chris Chibnall
- Director
- Ashley Way
- Cast
- Matt Smith, Karen Gillan
- Guest Stars
- Arthur Darvill, Meera Syal, Robert Pugh, Neve McIntosh, Nia Roberts, Alun Raglan, Samuel Morgan-Davies

What are your thoughts?
Hit us up at discussingwho@gmail.com or @discussingwho on any and all social medias.
Subscribe to the Discussing Who Podcast
Subscribe on Apple
Subscribe on Spotify
Subscribe on YouTube
You Must Remain Connected
Be sure to find us on Facebook, follow us on Instagram, and visit our website. Don’t agree with us? Tell us how we’re wrong. Contact us on any of the social media outlets above, or send feedback to discussingwho@gmail.com. We want to hear from you!
Support The Show
The single best way you can support our work is by subscribing to our podcastand telling a friend to do the same. Every little bit helps!