TV Guide ITV3 Saturday

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An American tourist's body is discovered in her hotel room, apparently dead from a heart attack - but a valuable Anglo-Saxon jewel she intended to donate to the Ashmolean Museum is missing and several interested parties are acting strangely. John Thaw and Kevin Whately star, with Simon Callow, Roberta Taylor and Kenneth Cranham

The Oxford detective faces a tough time while looking into a murder at a peaceful college. After suffering the familiar pangs of unrequited love, he clashes with the unpleasant college master and then unwittingly provides his main suspects with a watertight alibi. John Thaw and Kevin Whately star, with Robert Stephens, Amanda Burton and Philip Middlemiss

Robson Green and Mark Benton reprise their roles as feuding brothers-in-law Colin and Howie, from Christmas Lights, Northern Lights and City Lights, in a festive special. The pair travel to Lithuania, where Christmas cynic Howie has been nominated to represent England in the annual Santa competition, much to the annoyance of Colin, who believes his love of all things festive and his appearances in the white beard at the school fair make him the ideal candidate. However, he has to settle for being his friend's little elf - and to make matters worse, the other elves are a bunch of cheerleading girls. So with a Saint Nick who refuses to believe and an elf who wants the top job, it seems their chances of winning are slight. Comedy drama, co-starring Nicola Stephenson, Sian Reeves, Ian Puleston-Davies, Edward Petherbridge and Emma Cunniffe

A hard-working, small-town businessman comes to think his life has been a complete waste of time and tries to commit suicide. At the last minute, his guardian angel pays him a visit and makes him realise his true worth by showing him what would have happened to those around him had he never been born. Fantasy drama, starring James Stewart, Donna Reed, Lionel Barrymore, Henry Travers, Beulah Bondi, Thomas Mitchell and Frank Faylen

The detective investigates the disappearance of a Dutch au pair, which seems connected to rivalry amid the city's academics. His search leads him to a family estate in the Oxfordshire countryside where he meets three siblings divided by personal demons and shared loss. Endeavour suspects there is a link between the disappearance and an unsolved case from years before, but as the investigation continues, conflict erupts between his fellow officers. When a group of teenagers makes a horrifying discovery, he suspects someone is manipulating events from afar

Forest ranger Felicity Ward is blinded by mysterious lights while driving at night in the village of Cooper Hill and the next morning her car is found abandoned at the roadside, followed closely by the discovery of her body. Visiting UFO spotters in the village are convinced aliens are responsible, but as Barnaby and Nelson try to get to the truth, they unearth suspicions, betrayals and long-buried secrets along the way. Michelle Collins, Steve Evets, Alison Steadman, Steve Oram and Pip Torrens guest star

Jane Horrocks and Jessie Wallace star in a one-off drama telling the story of how the long-running soap was born. Tony Warren joins producer Harry Elton and director Derek Bennett as they struggle to create the programme, faced with opposition from ITV's formidable bosses Sidney and Cecil Bernstein, while Margaret Morris begins the hunt for the show's cast. With David Dawson, Stephen Berkoff, Celia Imrie and Lynda Baron

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