Sky Sci-Fi Tuesday

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

Teleshopping.

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

Data suspects the ship may be thinking for itself when a series of unexplained malfunctions occurs

Part one of two. Voyager ventures through Borg territory in search of an elusive spatial passage, but finds danger lurking at every turn

Kira finds herself trapped in a Cardassian cellar, and Quark receives exciting news from the Nagus. Spin-off sci-fi adventure, starring Avery Brooks

The team races against time to capture Paracelsus before he achieves immortality, while Steve discovers Artie has been hiding life-changing information

Return of the sci-fi drama. The team faces a race against time to stop Paracelsus when he turns the Warehouse into a house of horrors

An alien probe downloads itself into the computer system, accessing sensitive data on the SGC and its personnel before taking over Carter's body

Part one of two. Voyager ventures through Borg territory in search of an elusive spatial passage, but finds danger lurking at every turn

Data suspects the ship may be thinking for itself when a series of unexplained malfunctions occurs

Kira finds herself trapped in a Cardassian cellar, and Quark receives exciting news from the Nagus. Spin-off sci-fi adventure, starring Avery Brooks

An alien probe downloads itself into the computer system, accessing sensitive data on the SGC and its personnel before taking over Carter's body

Kenny and Ellis make a grisly discovery out in the forest, while Boyd struggles with the reality of what is happening to him

As Boyd's condition grows more alarming, Sara's return puts him in a difficult position, while Jim shares a troubling new theory about the town

Rick suffers a breakdown in the prison boiler room, Michonne sets an ambush for her pursuers and Andrea begins to realise just how much she has changed

Nick gets back together with Juliette before investigating a plan to create an army of zombies, while Adalind enters into a dangerous bargain to regain her powers

The team races against time to capture Paracelsus before he achieves immortality, while Steve discovers Artie has been hiding life-changing information

Return of the sci-fi drama. The team faces a race against time to stop Paracelsus when he turns the Warehouse into a house of horrors

Rick suffers a breakdown in the prison boiler room, Michonne sets an ambush for her pursuers and Andrea begins to realise just how much she has changed

It's a tense night in the diner as the residents wait for sunrise. Jim and Tom struggle to keep a panicked bus passenger quiet

The expedition to study the Yrr sets out for the Arctic, where a large number of Yrr signals were spotted. During a trip by submarine, Charlie Wagner observes a magical sight

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