Image by TPopova Calling all #shark lovers! 📣 Start the week right and dive into today's #SharkWeek marathon on Discovery and @discoveryplus ⬇️ 📌 8p ET: Air Jaws: Top Guns 📌 9p ET: Great White Serial Killer: Fatal Christmas 📌 10p ET: Rise of the Monster Hammerheads: Fatal Jaws 📌 11p ET: Mega Predators of Oz @sharkweek