* Revival of the Witch will take place a 年 after the events of The Coming of Arthur.
* Merlin is in torment after making a grave error that causes huge upset for Arthur.
* Arthur will become either King 或者 Prince Regent as Uther has been left a broken man after Morgana's betrayal, making him an unfit ruler. Merlin will get the biggest chance he'll ever have to bring magic back to Camelot
* Gwen and Arthur get married
* Merlin will 显示 a darker and damaged side to his personality. His personality will presumably become darker than the 前一个 three seasons.
* 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.
* There will be 更多 Knights of the Round Table.
* Morgana wears a lot 更多 makeup.
* Agravaine will be the new enemy within the walls of Camelot, laying a claim to the throne.
* Merlin will try to discover his destiny as Emrys, and will find out there are massive reasons why he can't reveal his magic.
* Old Merlin/Emrys appears regularly. Morgana knows that her doom is Emrys and wants to get him, even though she doesn't know who he is. Morgause and Morgana will start looking for Emrys, unaware that he is Merlin.
* Lancelot has a major role in Revival of the Witch.
* The Arthur/Gwen/Lancelot 爱情 三角形, 三角 will be a major plot line.
* Lancelot will be declared dead, which causes mourning among Merlin, Arthur, the knights and especially Gwen.
* There will be 更多 stories about Uther's past.
* Arthur and Gwen will become engaged.
* The way Lancelot is portrayed may be substantially different from the legends.
* Morgana's magic has finally become as powerful as Merlin's, and possibly 更多 powerful than Morgause's.
* A battle for power will occur between Arthur and Uther.
* Morgana becomes quite nomadic, moving from one place to another.
* Lancelot will meet the Great Dragon.
* Grettir will make an appearance.
* The Isle of the Blessed will reappear.
* Gwen and Morgana will learn about Merlin's powers.
* Hunith will return.
* Merlin and Gwen's friendship will be explored this series.
* Gwen and Lancelot may be under a 爱情 enchantment, causing a fight between Lancelot and Arthur. In the official trailer, Guinevere is shown to be wearing a suspicious bracelet, while 接吻 Lancelot. What's 更多 Lancelot shows suspicious behavior, since he attacks Arthur.The most likely possibility is that Agravaine has put a spell on them with Gilli's help causing a fight and trouble.
* Arthur will learn the truth of his birth again.
* There will be an episode that focuses solely on 龙 and the future of the dragons.There will be a dragon egg in one of the episodes.
* Merlin is going to struggle keeping his friendship with Arthur going on, but he is met with a 墙 and he's not sure how to deal with that.
* Merlin's greatest fear is a reincarnation of Uther in Arthur: if there's any sign that Arthur is thinking like Uther, then he can never bring his magic to the foreground. He can never get the kingdom he wants to have.
* Merlin will dress like a knight of camelot.
* Arthur is walking towards the very noble, heroic king that is spoken of in the legends.
* Uther is closer and warmer towards Arthur. There's some really nice, emotional stuff between them.
* As per usual Uther and Merlin will have just a little interaction. Merlin will be sympathetic towards Uther but ultimately loyal to Arthur.
* With Uther a broken man, Prince Arthur has the emotional dilemma of either taking charge 或者 waiting for his father to recover.
* Morgana is pulling an old wagon, whose contents are covered. Her face is covered 由 a hood. Knights of Camelot approach and inquire where she is headed. She says the Sea of Meredor. She turns and Leon says “The Lady Morgana!” to which she holds out her hand and Leon goes flying backwards. She continues to do this for the remaining knights, like Elyan. When she’s confident they are incapacitated, she pulls down the covers of the wagon to reveal Morgause, and asks if Morgause is okay. Morgause says yes, but they have to hurry.
* Someone emerges from the Lake of Avalon.
* Mordred returns He is heard in the Comic Con S4 trailer saying " Emrys " at 0.41 秒 as Merlin gets pushed back against the wall.
* Wyvern will attack the Knights of the Round Table, including Lancelot and Percival.
* Morgana becomes the most powerful whilst Merlin is without powers. However this may be temporary as Merlin's powers may return and rival Morgana's magic again.
* Camelot is in dire straits. You're going to see the kingdom and those who rule it overthrown and taken over 由 a dark force.'
* Morgause will die.
* Morgana wants revenge for the death of her sister .
* Merlin is in torment after making a grave error that causes huge upset for Arthur.
* Arthur will become either King 或者 Prince Regent as Uther has been left a broken man after Morgana's betrayal, making him an unfit ruler. Merlin will get the biggest chance he'll ever have to bring magic back to Camelot
* Gwen and Arthur get married
* Merlin will 显示 a darker and damaged side to his personality. His personality will presumably become darker than the 前一个 three seasons.
* 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.
* There will be 更多 Knights of the Round Table.
* Morgana wears a lot 更多 makeup.
* Agravaine will be the new enemy within the walls of Camelot, laying a claim to the throne.
* Merlin will try to discover his destiny as Emrys, and will find out there are massive reasons why he can't reveal his magic.
* Old Merlin/Emrys appears regularly. Morgana knows that her doom is Emrys and wants to get him, even though she doesn't know who he is. Morgause and Morgana will start looking for Emrys, unaware that he is Merlin.
* Lancelot has a major role in Revival of the Witch.
* The Arthur/Gwen/Lancelot 爱情 三角形, 三角 will be a major plot line.
* Lancelot will be declared dead, which causes mourning among Merlin, Arthur, the knights and especially Gwen.
* There will be 更多 stories about Uther's past.
* Arthur and Gwen will become engaged.
* The way Lancelot is portrayed may be substantially different from the legends.
* Morgana's magic has finally become as powerful as Merlin's, and possibly 更多 powerful than Morgause's.
* A battle for power will occur between Arthur and Uther.
* Morgana becomes quite nomadic, moving from one place to another.
* Lancelot will meet the Great Dragon.
* Grettir will make an appearance.
* The Isle of the Blessed will reappear.
* Gwen and Morgana will learn about Merlin's powers.
* Hunith will return.
* Merlin and Gwen's friendship will be explored this series.
* Gwen and Lancelot may be under a 爱情 enchantment, causing a fight between Lancelot and Arthur. In the official trailer, Guinevere is shown to be wearing a suspicious bracelet, while 接吻 Lancelot. What's 更多 Lancelot shows suspicious behavior, since he attacks Arthur.The most likely possibility is that Agravaine has put a spell on them with Gilli's help causing a fight and trouble.
* Arthur will learn the truth of his birth again.
* There will be an episode that focuses solely on 龙 and the future of the dragons.There will be a dragon egg in one of the episodes.
* Merlin is going to struggle keeping his friendship with Arthur going on, but he is met with a 墙 and he's not sure how to deal with that.
* Merlin's greatest fear is a reincarnation of Uther in Arthur: if there's any sign that Arthur is thinking like Uther, then he can never bring his magic to the foreground. He can never get the kingdom he wants to have.
* Merlin will dress like a knight of camelot.
* Arthur is walking towards the very noble, heroic king that is spoken of in the legends.
* Uther is closer and warmer towards Arthur. There's some really nice, emotional stuff between them.
* As per usual Uther and Merlin will have just a little interaction. Merlin will be sympathetic towards Uther but ultimately loyal to Arthur.
* With Uther a broken man, Prince Arthur has the emotional dilemma of either taking charge 或者 waiting for his father to recover.
* Morgana is pulling an old wagon, whose contents are covered. Her face is covered 由 a hood. Knights of Camelot approach and inquire where she is headed. She says the Sea of Meredor. She turns and Leon says “The Lady Morgana!” to which she holds out her hand and Leon goes flying backwards. She continues to do this for the remaining knights, like Elyan. When she’s confident they are incapacitated, she pulls down the covers of the wagon to reveal Morgause, and asks if Morgause is okay. Morgause says yes, but they have to hurry.
* Someone emerges from the Lake of Avalon.
* Mordred returns He is heard in the Comic Con S4 trailer saying " Emrys " at 0.41 秒 as Merlin gets pushed back against the wall.
* Wyvern will attack the Knights of the Round Table, including Lancelot and Percival.
* Morgana becomes the most powerful whilst Merlin is without powers. However this may be temporary as Merlin's powers may return and rival Morgana's magic again.
* Camelot is in dire straits. You're going to see the kingdom and those who rule it overthrown and taken over 由 a dark force.'
* Morgause will die.
* Morgana wants revenge for the death of her sister .