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Freya will not return in Series 5, nor will there be any other major love interests for Merlin, but he has been hinted to be a little flirty with someone in the first episode, but that's all. T It is unknown if Freya will return in a future series or in a movie should one be made. The last time we saw her was in The Coming of Arthur: Part 2.

Answer 2: That remains unknown as of yet.