The dive team faces a tilt on Brighton Marina's main jetty, a 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.

It's a taste of the luxury life for the Coastal Defender's dive team as they fix the hull of a floating hotel.

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 dive team to repair the seaworn structure; but, they are hindered by a mountain of rubbish.

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