A prehistoric aquatic creature like a huge crocodile appears in a London swimming pool, eats a life guard, then vanishes. Later a special forces diver vanishes, but then the diver's bones ... See full summary »



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Episode complete credited cast:
Abigail Aston ...
Diane Johnson
Connor Temple (as Andrew-Lee Potts)
Andrew French ...
Detective Inspector
Pascale Burgess ...
Jane Dexter
James Bradshaw ...
Aled Pugh ...


A prehistoric aquatic creature like a huge crocodile appears in a London swimming pool, eats a life guard, then vanishes. Later a special forces diver vanishes, but then the diver's bones turn up in a flooded basement in a town some way to the south west. Nick Cutter predicts that incidents will occur at places on a straight line through these two locations on the map of southern England. Eventually Cutter is allowed to go through an underwater anomaly, tethered by a safety rope a mile long. Finally, amid a prehistoric landscape, he meets his long missing wife. Written by IPH

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Release Date:

23 August 2008 (USA)  »

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Did You Know?


When Helen and Cutter meet in the past, she refers to the anomalies by that name. Since she had been missing presumed dead for fifteen years, there was no way she could have known that technical term which Cutter had created after she disappeared. See more »


Connor Temple: Is that perfume?
Abby Maitland: I can do the girl thing, you know.
Connor Temple: Ooooh!
Stephen Hart: You look really good.
Abby Maitland: Thanks.
Stephen Hart: It was good of you both to come; you shouldn't have bothered.
Connor Temple: Don't flatter yourself. Some of us just like hanging out with nurses.
Abby Maitland: Come on. I'll give you a lift home.
Stephen Hart: Oh, there's no need; my girlfriend's picking me up.
Connor Temple: Girlfriend?
See more »


References Celebrity Love Island (2005) See more »

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User Reviews

How did Helen survive and what does she know?
24 April 2016 | by (United Kingdom) – See all my reviews

This episode sees the arrival of a giant crocodilian dinosaur in a London swimming pool! There were only two people present at the time; a man, who was swallowed whole as he dived in and his girlfriend who is accused of murdering him to keep the existence of the anomalies secret. By the time Cutter and his team get to the site there is no sign of the creature or the anomaly. That isn't the end of the story though; it becomes apparent that this anomaly has a fixed location in the past but moves in the present. It next appears in a reservoir when the remains of the dead man are found. Cutter and a team of divers investigate but one of the divers is lost when the anomaly moves again. It next appears in a basement; the diver is found here with a handkerchief that suggests that he had come into contact with Helen Cutter. Nick Cutter is ordered to go through the anomaly and bring his wife back… by force if necessary. Away from the main story Connor is still trying to get Abby to see him as a potential boyfriend and Stephen thinks Connor is hitting on him!

Previous episodes have been distinctly centred on the monsters but things change a bit now with Helen becoming more important to the story; this made it more interesting that the 'monster of the week'. That isn't to say that the dinosaur wasn't important to the story. Having a waterborne dinosaur was a good change and it was suitably frightening; even the scenes where Cutter was threatened by it were pretty intense even though few viewers would seriously think he might die. The questions of how Helen has survived for eight years and what she has learnt provide a nice mystery that will no doubt be answered at some point in the future. The romantic subplot provided some decent laughs without getting in the way of the main story. The cast continue to do a solid job; it was good to see Juliet Aubrey get more screen time as Helen; she is proving to be one of the series more intriguing characters.

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