Television News Discovery's 'Shark Week' to pit Michael Phelps against great white shark 06/17/2017 Discovery Channel will pit 23-time Olympic gold medal-winning swimmer Michael Phelps in a race against a shark for its annual "Shark Week." Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Michael Phelps
