On Australia's east coast, Freddie and Rob prepare to swim with sharks before spending the night in an unusual camping spot - suspended over a cliff edge.
Andrew Flintoff and Rob Penn go up against one of Australia's deadliest beasts when they sign up to a day of snake-catching. Later, a disaster throws their trip into jeopardy.
Andrew Flintoff and Rob Penn head to the Northern Territory capital Darwin, where they get up close and personal with a crocodile at feeding time. Rob's driving skills are put to the test in a race with a big difference and the pair get a taste of the world of cane toad racing.