Shark Week: Season 2017, Episode 2

2017 - 2: Phelps vs Shark: Great Gold vs Great White

They are one of the fastest and most efficient predators on the planet: Sharks. He is our greatest champion to ever get in the water: Michael Phelps. 39 world records. 23 Olympic golds. The world’s most decorated athlete takes on the ocean’s most efficient predator: Phelps V Shark – the race is on!