When the crew of the Kinloch Bravo find themselves cut off from all communication with the Scottish mainland by a mysterious fog, they must fight to find a way home whilst managing environmental pressures, mounting paranoia and rising tensions. But as the threat facing them reveals itself to be something beyond their wildest imagination, the divided crew must form an alliance to ensure survival.
The peaks and the valleys. Find the essential episodes — and the ones to skip.
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.
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.
Baz and Garrow get closer to understanding their mission when they explore the pump control room, and realise they need Fulmer to help them – leading to painful consequences for Fulmer as he struggles to keep a grip on his sanity. When the crew's anxieties rise as a glimmer of potential hope turns sour, Magnus finds himself losing his grip as tensions amongst the group reach fever pitch.
Scores are settled and mysteries revealed as Coake is pushed to explain Pictor's plan and the true reason for his mission onboard, Rose and Fulmer work out the horrifying extent of what the coded messages they have discovered really mean, and Magnus must put his personal demons to rest and lead the crew in one final bid for their survival.
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
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