The Syfy channel will air the second half of the ‘Merlin’ season 3 premiere episode at 10pm tonight.

“The Tears of Uther Pendragon, Part 2” finds King Uther suffering from madness while Arthur and his knights must defend Camelot from an invasion. Meanwhile, a poisoned Merlin battles to stop Morgana.

‘Merlin’ is a drama series which updates the story of the infamous sorcerer of Arthurian legend for a new audience.

Check out the Season 3 promo here: