■Excalibur will make an appearance. This is likely.
■Gwaine will be the 초 knight out of The Knights of the Round 표, 테이블 to find out about Merlins secret.
■Gwen and Arthur will get married. This has been confirmed.
■Grettir will make an appearance. This has been confirmed.
■Merlin will show a darker and damaged side to his personality. This has been confirmed.
■Morgana will meet the Great Dragon. This has been confirmed.
■Merlin is badly injured and Arthur defies Leon to save him. This has been confirmed.
■Merlin will disguise as Dragoon the Great (Old Merlin) again. This has been confirmed.
■The Isle of the Blessed will reappear. This has been confirmed.'
■Gwen has been looking after the King. This has been confirmed.
■Nimueh will return. Her 프로필 on the BBC implies this, but has been there throught Series 2 and 3.
■Morgause kills Gaius. This is possibly unlikely because in the 퀸 of Hearts, Gaius was shown in Morgana's vision when Gwen was crowned 퀸 의해 Arthur, showing that Gaius will live on to Arthur's reign.
■Somebody is going to be burnt at the stake. This has been confirmed .
■Gwaine will be the 초 knight out of The Knights of the Round 표, 테이블 to find out about Merlins secret.
■Gwen and Arthur will get married. This has been confirmed.
■Grettir will make an appearance. This has been confirmed.
■Merlin will show a darker and damaged side to his personality. This has been confirmed.
■Morgana will meet the Great Dragon. This has been confirmed.
■Merlin is badly injured and Arthur defies Leon to save him. This has been confirmed.
■Merlin will disguise as Dragoon the Great (Old Merlin) again. This has been confirmed.
■The Isle of the Blessed will reappear. This has been confirmed.'
■Gwen has been looking after the King. This has been confirmed.
■Nimueh will return. Her 프로필 on the BBC implies this, but has been there throught Series 2 and 3.
■Morgause kills Gaius. This is possibly unlikely because in the 퀸 of Hearts, Gaius was shown in Morgana's vision when Gwen was crowned 퀸 의해 Arthur, showing that Gaius will live on to Arthur's reign.
■Somebody is going to be burnt at the stake. This has been confirmed .