Channel Patrol

A giant cargo ship braves the treacherous shipping lanes, a local oyster farmer finds treasures in the deep and the bomb squad unearth a blast from the past.

A tiny tug boat steers a giant tanker safely into port, young British sailors attempt a speed record to France, and a boyfriend-and-girlfriend team try to muscle in on the whelk-fishing market.

A new coastal defence is running out of rocks as nearly £1 million worth of granite is stuck out at sea, a young naval officer is handed control of an aircraft to swoop down on ships in the Channel, and grub's up on the way to France, but there's only one thing anyone wants to eat.

A maintenance crew have to inch their way through a seaway obstacle course, a group of university students get a taste of navy life and a team of builders take on a challenging restoration two miles out at sea.