Watch Percy Jackson Sea of Monsters Online Free. Adapted from Rick Riordan popular novel series Percy Jackson & The Olympians. The Lightning Thief proved to be a playful and speedy if unremarkable escapist adventure. Ultimately though due to poor box office takings a sequel seemed highly unlikely. Fast forward three years and as if by magic the son of Poseidon is back in action for Percy Jackson. Sea Of Monsters this time with new director Thor Freudenthal on board.
