Animal Planet will be taking a special look at the history of the wildlife of Australia, a mostly dry continent occupied by some of the deadliest animals on earth. Wild Down Under is a five-part series with episodes including ‘Wild Australasia,’ ‘Desert Heart,’ ‘Gum Tree Country,’ ‘Island Arks’ and ‘New Worlds.’ The series will run Mondays at 9 p.m., from June 5 until July 3.