Treileri:
Sāks rādīt vai nu septembrī vai oktobrī un no 3. sezonas fināla notikumiem būs pagājis gads
Un te jau apstiprinātie fakti, par notikumiem - SPOILERI!!!!
The series will open with a two parter called Revival of the Witch .
Revival of the Witch will take place 1 year after the events of The Coming of Arthur.
Nathaniel Parker will play Arthur 's uncle Agravaine.
Arthur will become either King or Prince Regent.
Morgana will return.
Morgause will be brought back by Morgana and thus return.
Merlin will be injured and perhaps lose his powers.
Excalibur will make and appearance.
Merlin will show a darker and damaged side to his personality.
Merlin is badly injured and Arthur defies Leon to save him.
Merlin will disguise as Dragoon the Great (Old Merlin) again.
Gwen has been looking after the King during the period of time between the series.
A sword will be burned near the start of the series.
Entertainers arrive in Camelot.
There will be more Knights of the Round Table.
Agravaine will be the new enemy within the walls of Camelot.
Merlin will try to discover his destiny as Emrys, and will find out there are massive reasons why he can't reveal his magic.
Morgause and Morgana will start looking for Emrys, unaware that he is Merlin.
Merlin will somehow be stripped of his powers (possibly temporarily).
Lancelot has a major role in Revival of the Witch.
The Arthur/Gwen/Lancelot love triangle will be a major plot line.
Lancelot will be declared dead.
There will be more stories about Uther's past.
Arthur and Gwen get engaged.
The way Lancelot is portrayed may be substantially different from the legends.
Morgana's magic has finally become as powerful as Merlin's.
A battle for power will occur between Arthur and Uther.
Morgana becomes quite nomadic, moving from one place to another, she also becomes more powerful than Morgause.
Morgana constantly has visions of Emrys, unbeknownst to her, it is Merlin disguised as Dragoon the Great.
Morgana gets to blast a guy against a wall.
Lancelot will meet the Great Dragon.
Grettir will make an appearance.