Watch Clash of the Titans (2010) HD Full Movie Free on SolarMovie. Watch Clash of the Titans (2010) online free. Perseus, a demigod and the son of Zeus, battles the minions of Hades and the Underworld in order to ...Perseus, a demigod and the son of Zeus, battles the minions of Hades and the Underworld in order to stop them from conquering Olympus and Earth.