Scooby-Doo and the gang journey back in time to help King Arthur save his throne from an evil sorceress. While there, Shaggy unwittingly pulls out Excalibur from a nearby stone to cut a block of cheese and now no one is sure who the rightful ruler is! The legendary wizard, Merlin, appears and explains that the throne of Camelot must be determined through Trial By Combat! Our heroes pull out all the stops to try and win the tournament, break the witch's...

The young wizard Merlin struggles to protect Prince Arthur in the perilous world of Camelot. While battling assassins, mystical monsters and the most powerful sorcerers Camelot has ever seen, Merlin now has to face his toughest challenge yet when Morgana's blind determination puts Arthur's future at risk.

Re-imagines the legendary story of King Arthur and Camelot.

"The mythical city of Camelot, in a time before history began. A fantastical realm of legendary beasts and mysterious peoples. A dangerous world in which magic has been banned by the ruthless tyrant. Uther Pendragon. When Merlin, a young man gifted with extraordinary magical powers, arrives in the kingdom he quickly makes enemies including the heir to Uther's crown, the headstrong Prince Arthur. But guided by Uther's wise physician. Gaius, Merlin...

Swords, sorcery and swashbuckling adventure return in this third series of the hit BBC series, following our heroes Merlin and Arthur as they face their greatest challenge yet. When misbegotten secrets are exposed and old friends choose new sides they soon discover that the great battle for Camelot is only just beginning.