Next airing Wed May 2, 2 p.m. ET

Raining Fish

Nat Geo WILD investigates nature's most bizarre, baffling and downright mysterious cases. In the dry landscape of Australia's Outback, could an ancient rain dance be the reason for a downpour of fish 300 miles away from the nearest major body of water? In South Africa, 55 whales beach themselves in what looks like a mass suicide attempt. Was the family-oriented breed bullied by a more intimidating species? Join a team of activists working around the clock to keep it from happening again.