Coastal Defenders

Brighton Marina's main jetty is on the tilt, causing chaos for residents and shop owners. The Coastal Defenders team of diving engineers devise a cunning plan involving air bags to fix the jetty in record time.

In Britain's biggest port, cargo grinds to a halt as a tugboat picks up a mystery object in its propeller, leaving it out of action. It becomes man versus rubber in an epic battle to get the tug moving again.

An oil tanker the size of two football pitches has new owners, and it must be inspected inch by inch before it's allowed to set sail. With the potential to carry enough crude oil to power a third of the country for a day, it's vital the team don't miss anything that could result in disaster if the oil spilled.

A luxury floating hotel in London's docklands has a rusty bottom, and the Coastal Defenders dive team are charged with making it shipshape once more.

A mooring structure called a dolphin has brought the Isle of Wight ferries to a standstill. The whole ferry terminal must move to allow the Coastal Defenders dive team to repair the seaworn structure.

It’s man versus mussel as the Coastal Defenders dive team clear shellfish from blocking a ship’s pipes

It’s another emergency for the Coastal Defenders dive team when a ferry service ends up stranded.

The Coastal Defenders team face a graveyard of discarded boats which have to be cleared to protect the waterways