Coastal Defenders

The dive team faces a tilt on Brighton Marina's main jetty, an extensive survey of an oil tanker and an emergency call-out to repair a vital piece of cargo ferry equipment.

In Britain's biggest port, cargo grinds to a halt after a tugboat picks up a mystery object in its propeller. The team attempts to rescue a cruise liner amid a winter storm.

The Coastal Defender's dive team face a long cold swim and respond to an emergency callout.

The Coastal Defender's dive team work day and night to keep a ferry service running.

Its man versus mussel as the Coastal Defender's dive team must clear shellfish from blocking a ship's pipes.

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

The Coastal Defender's team face a graveyard of discarded boats which have to be cleared to protect the waterways.