Merlin's Apprentice S01E01 - Part 1

After sleeping for fifty years, the enchanter Merlin awakes weak and returns to the decadent Camelot, where he finds that the Holy Grail has vanished. With the kingdom under siege by the savage Rauskaug, helped by the evil sorceress Lady of the Lake, Merlin seeks help with a thief and aspirant sorcerer, Jack, to find the protection of the Holy Grail. However, he realizes that corruption has doomed Camelot.