Merlin
Merlin has to leave Camelot to help a young Druid boy.
Morgana and her puppet queen hatch a sinister plan to murder the king.
Three soothsayers known as the Disir order Arthur to return to the old ways and legalize sorcery, or else Camelot will suffer their wrath.
Ancient prophecies of Mordred weigh heavy on Merlin.
The Diamond of the Day (Part 2)
Morgana and King Odin make a sinister pact to lure Arthur to his death.