The Deep - Episode 1 recap

Catch up with Episode 1 of BBC One's new thriller series The Deep, set thousands of feet below the Arctic ice.

> Watch a preview of Episode 2.

> Find out spoilers in our episode guide.

> Read our Episode 1 review.

> Watch an interview with Goran Visnjic.

An Arctic expedition sets out to uncover the truth behind the disappearance of a submarine and to find a renewable source of energy...