Watch King Arthur and the Knights of the Round Table (2017) HD Full Movie Free on SolarMovie. Watch King Arthur and the Knights of the Round Table (2017) online free. Sorceress Morgana and her son, Mordred, return to Earth after 1,500 years, hell-bent on destruction....Sorceress Morgana and her son, Mordred, return to Earth after 1,500 years, hell-bent on destruction.