TV Guide for Today Saturday 11 in Sky Sci-Fi

A psychiatric patient kidnaps Artie and insists he help rescue her brother - who is trapped in an interdimensional void.

Daryl, Abraham and Sasha face off against the saviours. Meanwhile, in Alexandria, Rick and his group make their way through the herd. Violence/gore.

What a Long Strange Trip it's Been: Boyd and Jade set off on a desperate, mind-bending search for answers while a food run to the settlement takes a chilling turn.

Entertainment series following Yvette Fielding and a team of paranormal experts as they spend 24 hours in Britain and Ireland's most haunted locations.

Entertainment series following Yvette Fielding and a team of paranormal experts as they spend 24 hours in Britain and Ireland's most haunted locations.

Entertainment series following Yvette Fielding and a team of paranormal experts as they spend 24 hours in Britain and Ireland's most haunted locations.

Entertainment series following Yvette Fielding and a team of paranormal experts as they spend 24 hours in Britain and Ireland's most haunted locations.

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Enterprise is held captive by non-corporeal beings who claim to be explorers.

After Enterprise lends aid to a group of accused rebels, Captain Archer faces a tribunal and charges of conspiring against the Klingon Empire.

Mayweather temporarily leaves Enterprise to visit the cargo ship Horizon, where he was born and raised. The Enterprise crew observes an unusual planetary event.

Enterprise attempts to retrieve three Denobulan scientists from the planet Xantoras, where the Government has ordered all off-worlders to evacuate.

Enterprise encounters a hyper-giant star. While there, they make first contact with the Vissians - a technologically sophisticated race with three genders.

After encountering a damaged Malon freighter, a repair crew from Voyager tries to contain a toxic chemical leak that threatens a nearby inhabited planet.

In a more soft-centred episode of the sci-fi drama, The Doctor tries to introduce Seven of Nine to the concept of dating.

Captain Janeway tells the story of her distant ancestor, Shannon O'Donnell and her involvement in the construction of Earth's 'Millennium'.

Seven of Nine is recruited by Captain Braxton of the 29th century timeship, Relativity, to go back in time and stop an unknown culprit from destroying Voyager.

Trouble looms when an alien missile with artificial intelligence takes over The Doctor's systems and insists on completing its mission of mass destruction.

Season four begins. A new arrival throws the town into chaos as Boyd grapples with the implications of Smiley's return.

A gruesome discovery sends shockwaves through the town as Jade and Tabitha struggle with the weight of their revelation.

Boyd tries to save Acosta from herself as Julie digs deeper into her newfound abilities. Tabitha embarks on a desperate gamble.

As Juliette's decisions lead her to a dark place, a stunned Nick resolves to stop at nothing in his quest for revenge. Season finale.

Deanna begins to question her leadership. Meanwhile, Maggie shares a secret with Aaron while searching for Glenn. Violence/gore.

Wounded after being separated from Abraham and Sasha, Daryl finds himself captive of three survivors on the run. Violence/gore.