Our choice of programmes to watch week beginning Saturday, February 6.

ON DEMAND

Crime Scene: The Vanishing at the Cecil Hotel (Netflix, from Wed)

Netflix's latest foray into the true crime documentary genre comes from director Joe Berlinger, whose previous works include Conversations with a Killer: The Ted Bundy Tapes and Paradise Lost. The premise behind it is to explode the mystery and mythology behind infamous locations, which each series focusing on a different place. It begins with LA's Cecil Hotel, a place already associated with violence, suicide and murder before Canadian student Elisa Lam lost her life there in mysterious circumstances in 2013. After being missing for almost three weeks by the time her naked body was discovered in a water tank atop the establishment. Lam's odd behaviour captured in the last known footage of her has only served to deepen the mystery surrounding her death.

SATURDAY

Six Nations Live (ITV, 1.30pm)

The new season's championship begins at Stadio Olimpico in Rome, where hosts Italy welcome neighbours France. Then there's a UK derby as England face Scotland at Twickenham, England hoping for an easier victory than their tense encounter last time around.

Stormborn (BBC2, 7pm)

No, not a Game Of Thrones spin-off but another impressively well-shot wildlife documentary from the BBC. In this second part (of three), cameras follow a family of Arctic foxes as they struggle to raise their young on the rugged volcanic shores of Iceland.

The Masked Singer (ITV, 7pm)

It's the semi-final, and it sees a double-elimination - a bonus for those of us who tune in to finally find out the identities of the famous faces behind the fancy dress.

Sally Lindsay's Posh Sleepover (C5, 7pm)

The first episode (of three) sees Sally sleep over as a houseguest in a luxurious Mayfair townhouse with a price tag of more than £30m. Six storeys high and with 20-foot ceilings, property tycoon Kam and partner Anya's posh pad has a good view of the surrounding area - which just so happens to include Buckingham Palace. One wonders if the neighbours have ever popped over to borrow a cup of sugar...

SUNDAY

The Wonderful World of Chocolate (Channel 5, 7pm)

Well January's out of the way, so Channel 5 must be working on the assumption that most people's new year' resolutions are a dim and distant memory as they air a new series of the show that goes behind the scenes of famous confectionary manufacturers. First up is Poppets, that cinema-friendly treat that removes the need for wrapper-rustling. Not that that's a concern at the moment. There's also a giant hand-painted Easter egg, and a look at Milton Hershey's model town of Hershey, Pennsylvania.

Musicals: The Greatest Show (BBC1, 7.40pm)

It's been a difficult 12 months for people who work in the theatre, but it's also been tough for audiences who have missed their musicals fix. However, the BBC have been doing their best to plug the gap, devoting a whole weekend to showtunes on Radio 2. And now there's a chance for fans to see as well as hear the main event, Musicals: The Greatest Show, presented by Sheridan Smith from the London Palladium, which celebrates the genre, from beloved old favourites to new shows. Sheridan joins Amanda Holden to perform I Know Him So Well from Chess. Other highlights include Nicole Scherzinger belting out Never Enough from The Greatest Showman, Gavin Spokes, from the West End production of Hamilton, delivering You'll Be Back, and Michael Ball revisiting one of his past hits with You Can't Stop The Beat from Hairspray.

The Serpent (BBC1, 9pm)

The uber-stylish fact-based serial killer thriller reaches its penultimate episode, and after a slow start things definitely feel like they're hurtling along towards a conclusion. Charles is trying to establish a new life for himself and Marie-Andree in Paris, but things don't quite go according to plan when his past begins to catch up with him.

MONDAY

Would I Lie to You? (BBC1, 8.30pm)

TV's most consistently entertaining panel show welcomes another tempting line-up of guests, with comedian Sara Pascoe, journalist and presenter Dan Walker, Derry Girls and Bridgerton star Nicola Coughlan, and Derrick Evans, better known as fitness guru Mr Motivator, joining in the fun.

Undercover Police: Hunting Paedophiles (C4, 9pm)

Channel 4 add to their already impressive stable of blue-light reality documentaries with this hard-hitting three-part series, following officers as they adopt undercover online identities in an attempt to lure out people with a sexual or predatory interest in children.

TUESDAY

Forensics: The Real CSI (BBC2, 9pm)

In this episode, a man from an affluent Birmingham suburb rings 999 to say he has killed his wife. When he is arrested outside his home, he is covered in blood, but during his initial interview, he claims not to remember anything. So, it's up to crime scene coordinator Jo Ward to lead the search for clues that could establish what happened.

Marcella (ITV, 9pm)

Leading a double life is never going to be easy, so it's not surprising that Marcella is struggling as she discovers more clues are being left for her. Can she recall her training and concentrate on being Keira Devlin? Let's hope so, as the Maguire family are holding a war council, and the main topic of conversation is Bobby. They decide to send him away, and Marcella is in charge of driving him to the airport, but en route, she goes into a fugue...

First Dates: Valentine's (C4, 10pm)

It's Valentine's Day at the restaurant and Alexandra, who works as a wedding planner, should know all about romance. However, her own love life hasn't been quite as successful as her clients' - she describes herself as the 'Bridget Jones of Northampton'. Can Tom, who also works in the wedding industry, be her own Mark Darcy?

WEDNESDAY

This Farming Life (BBC2, 8pm)

Like everyone, farmers have been affected by the pandemic and the latest episode of the series looks at some of the challenges they have faced. The lambing season is just getting into full swing when coronavirus grips the nation, and the farmers must work hard to keep their businesses afloat. Some of the more unexpected consequences are felt in Aberdeenshire, where new entrant farmers Isla and George lose their childcare, meaning Isla is left to look after the livestock and farm shop with three young children in tow.

Trump Takes on the World (BBC2, 9pm)

This three-part documentary offers insights into Donald Trump's approach to foreign policy, with insights from his advisers and opponents. The opening programme focuses on Trump's first 18 months as President, during which he fell out with some of his nation's oldest allies and left others reeling.

The Bay (ITV, 9pm)

Expect to be kept on the edge of your seat once again as Lisa and the team struggle to come to terms with an unexpected twist in the case. They're now forced to accept help from another unit - has all their hard work so far been in vain?

THURSDAY

MOTD Live: FA Cup 5th Round (BBC1, 7.30pm)

The line-up for the last eight in the tournament is confirmed tonight, as Gary Lineker presents coverage of the concluding tie of the fifth round.

Piers Morgan's Life Stories (ITV, 9pm)

Speaking to Piers on Good Morning Britain after recording this edition of the in-depth interview show, its subject, Gemma Collins, said how nervous she was about it airing - because, she says, she has really "spilled the beans on a lot of things that people haven't heard before".

Back (C4, 10pm)

Ah, the pub quiz... remember those? Tonight's episode of the cuckoo-in-the-nest comedy has become inadvertently nostalgic as the John Barleycorn hosts a quiz night and Stephen (David Mitchell) hopes for redemption after losing to the same team years previously - an incident for which his father never forgave him. He could really use sharp-witted half-brother (or is he?) Andrew's help, but Andrew (Robert Webb) seems preoccupied in his quest to get increasingly involved in the lives of Alison's parents.

FRIDAY

It's a Sin (C4, 9pm)

Ritchie realises he has to come out to his parents, and suffers a dark night of the soul on a journey back to the Isle of Wight. Jill, meanwhile, lands herself in danger with the police after taking part in protests against the government's handling of the Aids crisis.

Death in Paradise (BBC1, 9pm)

The penultimate episode of the current run focuses on the aftermath of a stag party. What should be a celebratory affair ends in tragedy when the host is found on the beach the next morning with a harpoon sticking out of somewhere it shouldn't. The do had taken place on a boat, which hadn't moved since the previous evening, so DI Neville Parker and his colleagues assume nobody aboard could be responsible for the murder. So if the guests didn't do it, who did?

Stonehenge: The Lost Circle Revealed (BBC2, 9pm)

Alice Roberts is the go-to presenter for archaeological shows these days, so it shouldn't come as a surprise to find her popping up on this one, during which she's joined by fellow professor Mike Parker Pearson. They want to know more about a fascinating project designed to unlock some of the mysteries surrounding Stonehenge, which have baffled experts for centuries. The duo meet archaeologists who have been using cutting-edge technology, including innovative 3D scanning techniques, combined with more traditional research methods, to discover where the iconic stones were quarried.