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
Discover 11,128,835 listings and 277,887 playable programmes from the BBC
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