The 5 best shows on TV tonight: Tuesday 23 March

Kate Garraway's documentary on her husband Derek Draper and the devastating impact COVID has had on him is front and and centre in the schedule this evening.

The GMB host talks movingly about her husband as she navigates life as he remains unresponsive and hospitalised while she also meets with others who have been deeply affected.

Meanwhile, Interior Design Masters prepares to name its winner and four more celebrities head into the Great Celebrity Bake Off tent.

The Great Celebrity Bake Off for Stand Up to Cancer - 8pm - Channel 4

It's time for DJ Nick Grimshaw, MC Dizzee Raschal, psychologist Philippa Perry and actor Reece Shearsmith to step into the big white tent for the third episode of The Great Celebrity Bake Off.

Read more: Matt Baker swaps TV for full time farming

The foursome will face the challenge of vegetable slices, a 'right royal' technical and finally a biscuit selfie recreating themselves at work.

Prue Leith and Paul Hollywood return to judge while presenter Matt Lucas offers support to the contestants.

Interior Design Masters - 8pm - BBC Two

After eight weeks it's finally time for one competitor to take home the title.

The final two hopefuls, Lynsey and Siobhan, are challenged with transforming luxury holiday villas in Cornwall.

Judge Michelle Ogundehin will then decide who deserves to be crowned the season two winner.

Kate Garraway: Finding Derek - 9pm - ITV

Cameras follow Kate Garraway as the GMB presenter's husband Derek Draper remains seriously ill after being hospitalised with COVID last year.

Read more: Kate Garraway says someone suggested she could ditch ill husband Derek

With Draper still in hospital and generally unresponsive, the TV host and their two children have had to adjust to life without him there.

For this moving film, Garraway meets with others who have felt the lasting impact of the coronavirus.

Strangers Making Babies - 9.15pm - Channel 4

A new four-part documentary from Channel 4 looks at the alternative way some people are choosing to raise a family.

Singletons hoping to co-parent with a platonic partner meet through agencies, with this series following a number of women as they are matched with several men as they spend time together and decide if they are compatible or not.

The first episode introduces professional nanny Venicia who is looking to bring a child into the world as well as amateur ballroom dancer Sarah.

The Circle - 10.15pm - Channel 4

The Circle continues to deliver into its second week as the contestants try to remain popular to avoid a blocking.

James, who's playing as NHS nurse Gemma, is up to no good as The Circle has tasked him with getting his fellow contestants to turn against Billy to protect his own place in the game. But will his plan work?

Watch: Kate Garraway says she won't leave GMB to care for husband full time