TV Guide Sky Sci-Fi Sunday

Nick takes Juliette for a weekend away in the country, planning to propose - only to encounter a seemingly normal rustic couple who are not what they seem. Romance is also in the air for Hank and Monroe, who each find themselves on the brink of new relationships

Nick and Hank investigate a string of murders, and learn their chief suspect - a freedom fighter on the run from assassins - is being harboured by Monroe and Rosalee. Guest starring Sebastian Roche

Yvette Fielding and a team of paranormal experts visit Bolling Hall in Bradford where they uncover a link between a string of paranormal activities in the present day and a bloody battle hundreds of years earlier

To mark the shows 100th edition, Yvette Fielding and the team return to Michelham Priory, East Sussex, where they filmed the first episode of Most Haunted. She spends the night at the former Augustine Priory, before David Wells and guest psychic Ian Shillito join the team for a vigil

Part two of two. The replicators continue to multiply aboard a submarine that cannot be destroyed owing to a tricky political situation on Earth. O'Neill and Teal'c try to defeat the enemy using sheer firepower, while Carter is taken to Thor's home planet - where her human knowledge may hold the key to the Asgard defeating the miniature bugs once and for all

The team heads for the planet Euronda in response to a plea for help, and soon discovers the inhabitants are in dire straits - but while O'Neill is quick to place all his resources at their disposal, Daniel has reservations. Sci-fi adventure, starring Richard Dean Anderson and Michael Shanks

A Tok'ra scientist provides the team with strange armbands created by the Atonieks - an extinct race which pre-dates the Goa'uld. The devices give SG-1 superhuman powers - but they soon discover they could be risking their lives in the process. Sci-fi adventure, with Richard Dean Anderson and Amanda Tapping

A Jaffa priestess from Teal'c's past makes an unexpected appearance - and then shocks the team by claiming to have communicated with her symbiote and gained knowledge that could lead to the destruction of the Goa'uld. Sci-fi drama, guest starring Vanessa Angel, with Richard Dean Anderson

Dr Bashir helps a hyper-intelligent outcast recover from a trance-like state, with traumatic consequences. Sci-fi adventure, starring Avery Brooks

Odo risks his own neck to protect an unexpected defector, while Nog helps O'Brien with an enterprising plan. Starring Avery Brooks and Rene Auberjonois

Legendary Klingon hero Kor asks Worf for help in undertaking one last mission - but it gradually becomes clear the veteran is dangerously past his prime. Starring Michael Dorn, Rene Auberjonois and John Colicos