Merlin (2008)

S02E03 The Nightmare Begins

Morgana's terrifying nightmares start to invade her waking life, leaving her fearful that she possesses magical abilities. Gaius is resolute in keeping her unaware for her own safety, but Merlin can't bear to see his friend in pain. Understanding her struggles all too well, he realizes that she deserves to know the truth. Is Merlin finally ready to unveil his long-held secret?