Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Limelight

Claustrophobic near-future thriller set in a billionaire's haunted bunker

Radio 4,6 episodes

Episodes

ListGrid

Underground
Trailer
Claustrophobic near-future thriller set in a billionaire’s haunted bunker
11 Sep 2026,2 mins
Underground
Episode 1
A new tutor arrives in a luxury bunker. What happened to her predecessor?
18 Sep 2026,28 mins
Underground
Episode 2
A voice from the past returns. Can Charly trust what she hears?
25 Sep 2026,28 mins
Underground
Episode 3
Guests arrive at Thornfield. But what is Edward hiding from Charly?
02 Oct 2026,28 mins
Underground
Episode 4
Claustrophobic near-future thriller set in a billionaire’s haunted bunker
09 Oct 2026,28 mins
Underground
Episode 5
As Thornfield burns, Axel has an offer for Charly
16 Oct 2026,28 mins