7.9K views · 18 reactions | Shark Week returns to Discovery with bigger sharks and bigger bites on Sunday, July 28! With more than 20 hours of shark programming throughout the week, the 2019 fin-credible lineup will deliver all-new groundbreaking shark stories revealing remarkable insights into the mysterious world of these magnificent creatures. This year, Rob Riggle is diving back into the water for the ultimate “Shark Trip” with some of his celebrity friends. | Sparklight | Facebook