Sky Sci-Fi HD Saturday

Medium Barrie John joins Yvette Fielding and the team at Oxford Castle, which was originally built for William the Conqueror and may house spirits trying to make contact

Yvette Fielding and a team investigate reports of ghosts and poltergeist activity at an ancient building in Snowdonia

A chance for viewers to purchase goods from the comfort of home

A chance for viewers to purchase goods from the comfort of home

A chance for viewers to purchase goods from the comfort of home

A chance for viewers to purchase goods from the comfort of home

A chance for viewers to purchase goods from the comfort of home

Archer and Trip are lured by a terrorist to a desert-like planet, while T'Pol faces a tough decision when she takes command

Hoshi grapples with a new language, while Archer, Trip and Reed all have mysterious encounters with femmes fatales

Part one of two. The ship is ordered to return to Earth after apparently causing the obliteration of an alien colony - until a surprise visitor offers startling new evidence

Part two of two. Captain Archer is trapped in the 31st century and the Vulcans demand an end to Earth's space programme

T'Pol relates a story of how her great-grandmother first contacted humans on Earth during the 1950s

The crew encounters a species in danger of extinction, presenting Janeway with a difficult decision

A deadly new species of Borg develops on board Voyager as a result of a fusion between the Doctor's holographic technology and Seven of Nine's nanoprobes

The Voyager crew races against the Malon to build a vessel able to withstand the atmosphere of a gas giant. Kate Mulgrew stars

The crew makes a disturbing discovery when it learns Species 8472 are planning to invade Earth

A female crew member is badly injured while travelling in the Delta Flyer, and while Voyager searches for the wrecked ship, Neelix tries to console the woman's daughter

Rick and the group become trapped in a train car, forced to await a grim fate at the hands of the Terminus inhabitants

Rick leads a risky mission to a food bank as their supplies run low, and the leader is unsure whether he can really trust those around him

The group comes up against the Terminans once again - and must hatch a plan to gain the upper hand against such enemies

Renard's life is saved by a mysterious woman, Monroe and Rosalee search for a way to restore Nick's powers, and Trubel spies on the creature behind the recent murders

Nick and Hank investigate a Wesen boxing gym, Chavez tries to recruit Trubel to a secret society, and Renard's mother offers to help Monroe and Rosalee

Aulus struggles to remain in control now that Hemple is on the scene. The Druids are splintered by the betrayal of the Chosen One

Despite growing concerns from his inner circle, Aulus reluctantly follows Hemple's guidance to return to the Underworld and find a new link to Cait

Antedia and Lucius bond over their mutual wish for revenge. Lucius is recognised as a deserter by a Roman Escort after a tip-off from prisoners Rufus and Felix

Yvette Fielding and a team of investigators visit Speke Hall, a Tudor manor in Liverpool where a ghostly white lady is said to roam the hallways

Part one of two. Yvette Fielding and guest medium Brian Shepherd go ghost-hunting in Chislehurst Caves in Kent, a former mine that was also a wartime air raid shelter