Episode 1
Former England cricketer Freddie Flintoff heads to the Australian wilderness of Arnhemland in search of saltwater crocodiles with his Aboriginal hosts Joseph and Connie.
Episode 2
Freddie heads into the Borneo jungle to track pygmy elephants. Will he find any, or will poisonous plants, venomous snakes and wild boar end his rainforest adventure?
Episode 3
Freddie is in Tanzania to witness the wildebeest migration. Local Maasai tribesmen train him up for the trek - but will he make a worthy warrior?
Episode 4
On Canada's coast, Freddie navigates a bear-infested forest and has an unexpectedly close encounter with a sea lion. But will he spot the killer whales he came to see?