TV Guide Sky Sci-Fi Wednesday

Pete, Myka, Claudia, and Steve race to reverse the sweating sickness that Artie has unleashed before it becomes a worldwide pandemic. The only problem is, they are already succumbing themselves, so must stop the disease before it stops them. Sci-fi thriller, starring Eddie McClintock, Joanne Kelly and Saul Rubinek

The post-apocalyptic drama returns. Having left the relative safety of Hershel's farm, the survivors find their nomadic existence wearing them down. Rick and Daryl's discovery of a prison seems to provide a good opportunity to establish a new base camp, but the compound is not uninhabited. Starring Andrew Lincoln and Norman Reedus

At Colony House, Tabitha and Julie grapple with their new nightmarish reality, while out in the forest, Jim, Boyd and Kristi struggle to treat Ethan's injuries. Tragedy strikes from an unexpected source as a new threat arises. Sci-fi horror, starring Harold Perrineau and Catalina Sandino Moreno

Picard and Data discover the crew of the Enterprise has turned into prehistoric beings. Sci-fi drama, starring Patrick Stewart and Brent Spiner

The Doctor simulates a holographic family in a bid to understand relationships - but B'Elanna interferes with the program. Sci-fi drama, starring Robert Picardo and Roxann Biggs-Dawson

The Federation comes under attack from all sides as the Breen target their headquarters in San Francisco, while Kai Winn and Gul Dukat try to release the Pah-wraiths on Bajor. Elsewhere, Damar secretly plans to free Cardassia from Dominion rule. Starring Avery Brooks and Rene Auberjonois

A decade into the future, Carter and Dr Fraiser uncover the shocking truth behind an alien race that gave Earth a cure for cancer, and face a race against time to safeguard the future of humanity. Sci-fi drama, starring Amanda Tapping, Teryl Rothery and Richard Dean Anderson

The Doctor simulates a holographic family in a bid to understand relationships - but B'Elanna interferes with the program. Sci-fi drama, starring Robert Picardo and Roxann Biggs-Dawson

Rick and the others collaborate with the new group of survivors to clear another prison wing of zombies, but it is an uneasy alliance. Carol carries out a Caesarean section on a dead walker as practice for the operation she may have to perform on Lori. But an unseen pair of eyes is keeping watch on her progress. Post-apocalyptic drama, starring Andrew Lincoln

Rick and the others collaborate with the new group of survivors to clear another prison wing of zombies, but it is an uneasy alliance. Carol carries out a Caesarean section on a dead walker as practice for the operation she may have to perform on Lori. But an unseen pair of eyes is keeping watch on her progress. Post-apocalyptic drama, starring Andrew Lincoln