Katie McGrath (Morgana) told Digital Spy: “There’s been a lot of talk about it over the past couple of years, and I could never understand what story we could tell better in a two-hour movie that we haven’t already told in 65 hours of TV. It’s been such a privilege to have that time to grow a character and see her through to the end, and the most wonderful thing that we have been privileged to do is to be able to tell the end of the story.

She added: “If they can come up with a story that I feel like we’ve missed out in those 65 hours, I’ll be like, ‘Absolutely – let’s do it’, but I can’t think of what it would be. But to be honest, any chance to spend time again with Bradley, Colin and Angel, I’ll probably jump at in a heartbeat – I don’t care what it is.”

Colin Morgan (Merlin) told Radio Times: “Now that it’s out in the open that this is the final series, I think fans will be satisfied with how it’s ended. To do any more would possibly go down an avenue that would lead to people being unsatisfied. I think it’s important to end on a high.”

Bradley James (Arthur) told Digital Spy: “You can never say never – in a situation like that, if someone came along with a script that really excited me, it would be very difficult to say no. But it would have to be for the right reasons.”

The last ever episode of Merlin will air on Christmas Eve later this month.

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Watch the Series 5 trailer…