Monty enjoys dolphin, seal and otter encounters plus a dive with huge conger eels.

Monty Halls tries to track down basking sharks off the west coast of Ireland.

This time his mission is to track down dolphins off the west coast of Ireland.

Monty reels in a couple of blue sharks that have migrated across the Atlantic.

Monty goes on a whale watching mission with the Irish Air Corps, is called out in the middle of the night to search for a stranded basking shark and survives a close shave racing traditional sailing boats.

Storms are making it difficult to put to sea, but Monty must retrieve an acoustic listening device he anchored on the sea bed to monitor whale and dolphin movements in his bay.