The Rig Episode Rating Graph

When the Kinloch Bravo's crew find themselves stranded on their production platform, first when their chopper is diverted and then by a mysterious fog that affects the entire oil field, rig boss Magnus' attempts to find a practical solution are thwarted by a horrifying accident and a growing sense of unease onboard.

Held captive on a new high-tech rig, the Bravo crew are launched into a rescue mission deep beneath the sea. But Pictor have not revealed all they know about what lurks on the ocean floor...

The appearance of the rig's Stand By Vessel raises hopes of escape in the team – leaving geologist Rose until sunrise to try and work out the scientific nature of the mysterious ash onboard before the crew abandon ship and make a break for it. But with tensions running high, some are compelled to take the situation into their own hands, with serious consequences.

Laden with explosives, Magnus, Fulmer and Bremner head onto the Arctic glacier to bring aid to those trapped below.

After a shocking death on board, the team are tested to their limits by a deadly blizzard that brings them into close contact with the Ancestor – and another danger even closer to home.

Fulmer's rift with Rose leaves him open to manipulation from Coake, but his plans to exploit Fulmer are interrupted when Cameron takes a drastic step.