Monty Halls goes back to his marine biologist roots as he goes shark fishing and reels in a couple of blue sharks that have crossed the Atlantic as part of their annual migration. Show more

Monty Halls tracks down dolphins off the west coast of Ireland, using sonar technology to record the whistles and clicks they use to communicate with each other. Show more

Documentary series. Monty Halls searches the waters off the west coast of Ireland for basking sharks, little-understood monsters of the deep that can grow up to 30 feet long. Show more

Monty Halls returns to his marine biologist roots as he goes on a whale-watching mission with the Irish Air Corps and searches for a stranded basking shark. Show more

It is the end of summer and Monty's time as a volunteer is coming to an end. He must retrieve an acoustic listening device which he anchored on the seabed. Show more

Documentary series. Monty Halls spends a summer in the west of Ireland, observing the animals that migrate through the waters off Connemara - including dolphins, seals and otters. Show more

Marine biologist Monty Halls returns to the Hebrides to work as a volunteer wildlife ranger. He and his dog Reuben share a restored crofter's cottage on the island of North Uist. Show more

Serious adventure beckons for marine biologist and professional diver Monty Halls when he gets to go on a boat trip to the islands known as the 'edge of the world', St Kilda. Show more

Monty has begun to restore walking trails that have been abandoned for years, but he needs to raise several thousand pounds to pay for marker posts and trail guides. Show more

Monty takes a trip down to the island of Barra, where he helps to establish a new walking trail and organise a training course for volunteer whale-watchers. Show more

To help open up the islands to tourists, Monty is writing a guide book to a series of trails. He investigates the Bonnie Prince Charlie route on horseback and also visits Vatersay. Show more

Marine biologist Monty Halls works as a ranger in the Hebrides. He recruits a graphic designer and sets out to raise enough money to pay for a big print run of the trail guides. Show more