TV Guide Sky Sci-Fi Friday

Cutter tries to find the mobile anomaly through which an ancient sea monster has travelled to the 21st century, attacking two lifeguards and a young boy at a swimming pool. Meanwhile, Claudia's suspicions are confirmed when the body of a diver is found - with a message from Helen attached. Fantasy drama, starring Douglas Henshall and Lucy Brown

Helen refuses to answer Lester's questions about the anomalies and manages to escape custody, leaving behind a flock of dodos - which is playing host to deadly parasites. One of the creatures bites Tom, giving him a compelling urge to attack - and prompting Cutter and the team to launch a desperate bid to prevent a pandemic. Fantasy drama, starring Juliet Aubrey and Ben Miller

Yvette Fielding and the team visit a Scottish castle with a history dating back to the 12th century, where sightings of long-dead prisoners and a ghostly princess have been reported

The Enterprise crew discovers wreckage from the USS Jenolan, reported missing 75 years earlier, and retired Starfleet engineer Scotty is beamed aboard. Sci-fi adventure, guest starring James Doohan, with Patrick Stewart

Kes's attraction to Paris drives Neelix mad with jealousy, and he is not altogether happy about going on a mission in search of food with his rival - until they crash-land and find themselves forced to work together to survive

Part one of two. The Cardassians prepare to destroy the Federation's protective minefield, paving the way for a Dominion attack, while Odo finds himself preoccupied with a female shapeshifter. Sci-fi adventure, starring Avery Brooks and Rene Auberjonois

The discovery of a murdered golfer and an anomaly in the sky leads to a whole new set of problems for the team. As Abby and Connor investigate the latest sightings they come across a disturbing scene in the woods and Claudia finds herself at the mercy of a savage pack of flying prehistoric reptiles

Helen returns and claims a predator from the future is behind a spate of disappearances, prompting her estranged husband to join her on a desperate race through time to prevent further attacks. Claudia is sceptical about the scheme - and it seems her concerns are well-founded when a showdown between creatures from the past and the future ensues

The team accidentally spreads a disease throughout an ancient civilisation, threatening it with extinction. Starring Richard Dean Anderson

Kes's attraction to Paris drives Neelix mad with jealousy, and he is not altogether happy about going on a mission in search of food with his rival - until they crash-land and find themselves forced to work together to survive

The supernatural drama returns, picking up the action 12 months after Russell Edgington's rampage soured relations between humans and vampires in America. All is not well in Bon Temps as the town's undead residents try to regain the trust of their mortal neighbours. Sookie's quest to discover more about her heritage yields disappointing results, and Crystal's friends turn on Jason when he tries to offer them help

Sookie tries to adjust to her new living arrangements, and appeals to Bill - now the Vampire King of Louisiana - to intervene in her real-estate feud. Meanwhile, Eric crashes a witches' coven meeting, Sam enjoys the attention of a new friend, and Hoyt's relationship with Jessica appears to hit the rocks after a night out at Fangtasia

The discovery of a murdered golfer and an anomaly in the sky leads to a whole new set of problems for the team. As Abby and Connor investigate the latest sightings they come across a disturbing scene in the woods and Claudia finds herself at the mercy of a savage pack of flying prehistoric reptiles

Helen returns and claims a predator from the future is behind a spate of disappearances, prompting her estranged husband to join her on a desperate race through time to prevent further attacks. Claudia is sceptical about the scheme - and it seems her concerns are well-founded when a showdown between creatures from the past and the future ensues