Deadly North Sea

A skipper abandons his fishing trip after force ten storms threaten to sweep his crew overboard. The Marine Police Unit battle to protect the public from a massive Nazi bomb that's ready to blow, while the RNLI fight to save two brothers on the last leg of a transatlantic world record attempt.

A 400 million pound exploration rig starts drilling for oil, but lethal gas threatens to end the search for black gold. Hard up skipper Martin Watt is forced to head back out to sea just two days after his father dies, and a Marine Police Unit scramble to clear the area when a World War II weapon is found.

One of the world's largest oil rigs needs to be cut down to size before it can set off on an epic 4,000 mile voyage. Norway's 330 Squadron are scrambled after a supply ship smashes into an oil rig, and skipper John Buchan battles gale force winds.

Fisherman David MacDonald's big idea to beat the recession spectacularly backfires, and it's a busy time for the Harwich lifeboat crew as a boat capsizes, plunging four people overboard. Scotland's elite marine and conservation unit raid an unsuspecting trawler.

Anchor handlers move a rig to a new oil field, but have to contend with a storm on the way, and a lifeboat is dispatched to save a yacht drifitng dangerously close to shallow water.