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TV tonight: our highlights for Thursday 21st May

TV tonight What's the Matter With Tony Slattery?
(Image credit: BBC / Sundog Pictures)

What's the Matter With Tony Slattery? is just one of the gems on today...

A new Horizon episode asks What's the Matter With Tony Slattery? on BBC2, ITV goes Inside the Crown and it's a traumatic time for some of the pensioners at The Real Marigold Hotel. Here’s what you shouldn’t miss on TV tonight. 

  • Our hand-selected recommendations for what's on TV tonight include three TV shows, a film and the latest trending need-to-binge-on-now box set 
  • For more information about what’s on TV tonight see our TV Guide 

What's on TV tonight 

Our expert TV journalists have picked the best things on TV tonight... 

Best TV shows on TV tonight

The Queen: Inside the Crown, 9pm, ITV

TV tonight The Queen: Inside the Crown

The Queen's cousin Lady Mary Colman reveals some royal secrets

An unaired episode of the documentary series shown earlier in the year about what life on the throne is really like. There are tales of US presidents breaking protocol, including one who got too familiar with the Queen on a state visit, plus a funny story about Her Majesty hiding in her garden from Romanian dictator Nicolae Ceausescu. But the most illuminating moments here come when we hear from royal insiders, who offer a glimpse of the real woman behind the crown. 

★★★★ SMA

What's the Matter With Tony Slattery?, 9pm, BBC2

TV tonight What's the Matter With Tony Slattery?

Joined by Stephen Fry, Tony looks for the causes of his mental-health issues

Comedian Tony Slattery’s exuberant talent made the Whose Line Is It Anyway? regular a household name before a breakdown stalled his career. Now 60, Tony seeks expert advice to tackle his mental-health problems in this moving Horizon episode. Keen to find out if he has bipolar disorder, Tony meets his Peter’s Friends co-star Stephen Fry, who made a 2006 documentary on the subject. Digging at the roots of his problems, childhood trauma looms large but, encouragingly, there are a few flashes of the old Tony. 

★★★★ IM

The Real Marigold Hotel, 9pm, BBC1

TV tonight The Real Marigold Hotel

Duncan Bannatyne and John Altman try pedal power

It gets a bit emotional for the eight celeb pensioners tonight, as they open up about past mistakes. On a trip to Chennai, ex-EastEnder John Altman reveals why he had to give up booze 22 years ago, while cricket commentator Henry Blofeld visits the cricket ground and recalls the devastating error that forced him to retire. Chuckle Brother Paul Elliott seeks medical help for a condition that he’s had since he was a boy and Zandra Rhodes has to fly home to her seriously ill partner. 

★★★★ HD

Best box set to watch 

Doctor Foster, two seasons, BritBox and Netflix

TV tonight Doctor Foster

Suranne Jones as Doctor Foster

There’s the chance to see Killing Eve star Jodie Comer in a more conventional role – as the younger woman who GP Gemma (Suranne Jones) is convinced her husband Simon (Bertie Carvel) is having an affair with in this compelling drama of a marriage falling apart.

Best film to watch on TV tonight

A Walk in the Woods, 9pm, Film4

TV tonight A Walk in the Woods

Nick Nolte and Robert Redford star

Bill Bryson’s best-selling 1998 travel memoir about his foolhardy quest to trek the 2,200-mile Appalachian Trail gets turned into a breezy buddy comedy, with Robert Redford playing Bryson and Nick Nolte as the shambolic old friend who becomes his unlikely travelling companion. The duo don’t exactly blaze a new cinematic trail, but their bickering rapport throws up laughter and pathos, and the scenery is utterly splendid. 

If you watch just one thing on TV tonight… 

Don't miss What's the Matter With Tony Slattery? on TV tonight – a moving story.

Not found anything you want to watch on TV tonight? Check out our TV Guide. 

Happy viewing!