Watch 2-Headed Shark Attack (2012) HD Full Movie Free on SolarMovie. Watch 2-Headed Shark Attack (2012) online free. Survivors escape to a deserted atoll, after their boat during a Semester at Sea ship is sunk by a mu...Survivors escape to a deserted atoll, after their boat during a Semester at Sea ship is sunk by a mutated two-headed shark. But when the atoll starts flooding, no one is safe from the double jaws of the monster.