TV Guide CBS Justice Saturday

Earth passes through the tail of a comet, causing everything mechanical to develop a life of its own - as well as a burning desire for vengeance against humanity. Sci-fi thriller, starring Emilio Estevez and Pat Hingle

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A series of devastating earthquakes are evidence of a massive crack opening up in the surface of the planet. A seismologist teams up with an explosives expert to prevent the world being completely destroyed by the quakes. Disaster movie, starring Brittany Murphy, Eriq La Salle and Bruce Davison

Kris and Tiffany become cross-country truckers with the all-female Venus haulage company to track down a hijacked consignment of pharmaceutical drugs. Drama, starring Jaclyn Smith, Cheryl Ladd and Shelley Hack

A recently released convict enlists the help of a crony and sets about plotting revenge on Kelly, who was responsible for putting him behind bars in the first place. Seventies detective series, starring Jaclyn Smith

The trio are called in to investigate several attempts on a bridegroom's life - but it isn't long before they realise he's not the real target. Detective drama, starring Jaclyn Smith, Cheryl Ladd and Shelley Hack, with an early appearance by Sex and the City's Kim Cattrall

The girls are hired to protect an opera star's priceless diamond - but Jill gets romantically involved with a thief who asks her to help him steal it. Jaclyn Smith and Cheryl Ladd star

A woman is found dead at the scene of a robbery, prompting the detectives to investigate why she wasn't where she was supposed to be - in prison. Adventure, starring Cheryl Ladd, Jaclyn Smith and David Doyle

A tenacious journalist sets out to track down a society of hired killers. However, she's taken aback by the smooth sophistication of the organisation's leader. She comes up with a singularly appropriate challenge for him - but events are complicated by a conniving nobleman. Period comedy thriller, starring Diana Rigg, Oliver Reed, Telly Savalas, Curt Jurgens, Warren Mitchell and Beryl Reid

A scientist leads an expedition deep under the Earth's surface, discovering an underground prehistoric land inhabited by dinosaurs and other strange creatures. Fantasy adventure, starring Kenneth More and Pep Munne. In Spanish

With his true love captured by the villainous Sheriff of Nottingham, the legendary Robin Hood and his crew of outlaws execute a daring rescue to save her. Action adventure, starring Ben Freeman, Brian Blessed, Martyn Ford and Kristian Nairn