Sky Sci-Fi HD Tuesday

Yvette Fielding and a team of experts visit South Stack Lighthouse off Anglesey, where they investigate ghostly phenomena

Yvette Fielding and the team visit Boys Hall in Kent, a 17th-century Jacobean mansion where the appearance of an ancient coin puzzles the ghost hunters

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

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

Trouble ensues when the crew is asked to transport a Vulcan ambassador accused of criminal misconduct back to her people

The crew encounters a dangerous particle revered by the Borg as perfection itself

Troi, Riker and Dr Crusher fall into mysterious comas while the Enterprise plays host to an alien race who conduct research by probing their subjects' memories

Jason feels guilty about Ariadne and resolves to do all he can to save her, embarking on a dangerous quest that brings him face to face with Medea and Pasiphae once more

Tamara is given cause for concern when strange visions begin to plague members of the crew, bringing their fears and desires to life. Sci-fi drama, starring Alaina Huffman

The crew encounters a dangerous particle revered by the Borg as perfection itself

Troi, Riker and Dr Crusher fall into mysterious comas while the Enterprise plays host to an alien race who conduct research by probing their subjects' memories

Trouble ensues when the crew is asked to transport a Vulcan ambassador accused of criminal misconduct back to her people

Jason feels guilty about Ariadne and resolves to do all he can to save her, embarking on a dangerous quest that brings him face to face with Medea and Pasiphae once more

Tamara is given cause for concern when strange visions begin to plague members of the crew, bringing their fears and desires to life. Sci-fi drama, starring Alaina Huffman

The spirit of a Native American inhabits the body of a troubled teenager and wreaks revenge on the killers of the boy's father. Fantasy crime drama, with David Giuntoli

The post-apocalyptic drama returns as Rick's survivors face oppression at the hands of Negan, who wastes no time in cementing his rule by making a deadly example

New girl Rosita has plenty yet to prove, and the arrival of an old acquaintance of Wyonna's threatens to cause yet another disturbance in the town

Despite their determination to protect the town's borders, the residents of Purgatory host a home-coming, while an ancient being collects on a deadly promise

After a disaster, the remaining crew of spaceship Ark One must secure humanity's future

When two realities intertwine, two theories on what could and shouldn't have been are revealed

Dale Cooper returns 25 years after his investigation into Laura Palmer's murder. Written by David Lynch and Mark Frost, and starring Kyle MacLachlan

Yvette Fielding and a team of investigators visit Somerset to search for spooky activity at Taunton Castle, where the spirit of a merciless judge is thought to linger

Yvette Fielding, guest medium Ian Shillito and the team investigate paranormal activity at East Riddlesden Hall in Keighley, West Yorkshire

Yvette Fielding and the team visit Beaumaris Gaol on Anglesey, where a story about unrequited love is the backdrop to investigations into ghostly phenomena