Jack Heathcoat takes cameras on a tour of his basement, which he has converted into a tropical aquarium, and Hertfordshire pet-shop owner Mark Amey introduces his collection of deadly reptiles. The programme also features Glenn and Maureen Cousins, whose 4.5m-long Burmese python Mia is believed to be one of the biggest snakes in England, and a Labrador that enjoys tea and surfing
