The Tourist started 2022 with a bang for the BBC, with 22 million streams on iPlayer in the week it launched - but will the hit thriller be coming back for more?
Jamie Dornan stars as The Man, a mysterious character with amnesia who is searching the Australian Outback for clues about who is trying to kill him and why.
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The series has drawn critical acclaim and has been enormously popular with viewers, which is usually enough to secure a second season.
Find out all we know so far about whether The Tourist is going to get a series two.
WARNING - SPOILERS
Will there be a series 2 of The Tourist?
There's certainly appetite from viewers for another instalment of the story, but the logistics of making it are a little tricky.
For a start, the series was conceived as a one-off story and although there's some ambiguity to the ending for The Man, his discoveries about himself are so bleak that it is hard to see where he could go next.
It also shot in Australia, with travel from the UK still restricted in places and looking uncertain for the future.
However, creators Harry and Jack Williams definitely didn't seem to have ruled out a return to the story.
Harry told Radio Times: "I would love to make this show again with these people. I'm not entirely sure it's possible. I love the tone, I love the world. It's been our lives for three years and we've been very, very involved with it, more so than any other show."
His brother Jack added: "We are talking about how we could return to this world, aren't we?" as Harry said: "Yeah, this world and this tone. I feel like we're not done with that. In terms of the story, we'll see how it goes if people like it."
Who would star in series 2?
Those who have watched the full series of The Tourist will know that it didn't hold back in killing characters off, leaving a depleted pool of cast who could come back.
We'd love to see the friendship between The Man and Helen develop further, although it's still unclear whether both characters would be in another series.
Danielle Macdonald, who plays police officer Helen, recently told This Morning: "Would I do another season of this? I would, of course!
"I loved the writing, I loved the character, I loved the world, I would hands down do it again but I have no idea if there is even any intention of that.
"I haven't heard anything personally, so I'm sorry to inform you of that."
Meanwhile, Dornan told Radio Times: "The plan was always for it to be a one-off. I guess it's a little bit open-ended with the end, people still have questions.
"I saw something the other day that (Harry and Jack Williams) said they'd be looking into how they could do a second series of it if there is a want, and it seems there is a want.
"So who knows, the plan was only ever to play The Man once, but we'll see."
Which other TV shows have The Tourist's creators made?
The Tourist is the latest production from brothers Harry and Jack Williams, who are behind some of the most successful series in recent years.
Other shows from the Williams brothers include The Missing, Liar, Angela Black, Baptiste, The Widow, Rellik and One Of Us.
Look out for a new series to come from them, Expiration Date, about a man who spends a year contemplating suicide so that his family can cash in his life insurance policy.
The Tourist final episode airs on Sunday at 9pm on BBC One and the whole series is available to stream on iPlayer.
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