TV Guide Syfy Saturday

Helen returns and claims a predator from the future is behind a spate of disappearances, prompting her estranged husband to join her on a desperate race through time to prevent further attacks. Claudia is sceptical about the scheme - and it seems her concerns are well-founded when a showdown between creatures from the past and the future ensues

Artie gets kidnapped by the source of the warehouse's security breach, Claudia Donovan, who holds him responsible for the death of her brother. Drama, starring Eddie McClintock and Allison Scagliotti

Myka and Pete investigate a case belonging to another agent whose body has been discovered in the basement of a St Louis police station. Sci-fi drama, starring Joanne Kelly and Eddie McClintock

The unexpected arrival of Data's destructive brother Lore causes a disruption when the Starfleet android is summoned by his creator to have a computer chip fitted - one which would grant him the ability to feel emotions. Sci-fi drama, starring Patrick Stewart, Jonathan Frakes and Brent Spiner

Picard comes to the rescue of a human child found on a Talarian vessel, and tries to return him to his grandmother, a Federation admiral. Problems arise when the boy's adoptive father demands the return of his son, and the child himself insists he wants to return to the species who raised him. Sci-fi adventure, starring Patrick Stewart

Beverly Crusher sees the crew disappear around her, and discovers nobody but her remembers the missing personnel once they are gone. Racing against time as the Enterprise's crew rapidly dwindles, she tries to discover what mysterious force is taking her colleagues. Gates McFadden stars

A rescue mission leads Picard and the crew to the home planet of their deceased comrade Tasha Yar, where they encounter her sister - a fighter for a ruthless nationalist faction that hopes to use the Enterprise's crew to further its own ends. Sci-fi adventure, starring Patrick Stewart

When Picard is chosen to mediate in a Klingon power struggle over who will seize control of the Empire, and Worf confronts Duras, who falsely accused the Starfleet officer's father of treachery and brought shame on his family in the eyes of his species. Patrick Stewart and Michael Dorn star

Hank and Nick edge closer to identifying the vicious serial killer mysteriously allied to Jack the Ripper. While offering protection to Renard, Wu finds his life placed in jeopardy. Supernatural crime drama, starring David Giuntoli and Russell Hornsby

Consumed with revenge, Nick chases after Kenneth and Juliette to stop them from escaping back to Vienna with the royal baby. Taking on an army of Wesen guards and verrat assassins, the Grimm and his allies are on the warpath. Meanwhile, Diana meets her grandfather, and Renard seeks someone to blame for the Ripper murders. Fantasy crime drama, starring David Giuntoli and Russell Hornsby

Nick digs deep in an effort to determine what type of person he wants to be, while also coming to terms with fathering a child with Adalind, his once sworn enemy. His search for the truth leads him to FBI Agent Chavez and puts him at odds with those close to him. Fantasy crime drama, starring David Giuntoli and Russell Hornsby

After becoming a new father, Nick makes some major changes to keep his child and Adalind safe. Meanwhile, Renard assigns Hank a new partner as they investigate a brutal murder at an investment group. Fantasy crime drama, starring David Giuntoli and Russell Hornsby