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OTEBOOKS out folks, put the biscuits away – this health series promises to tell us the secrets to slowing down the ageing process. And it’s unlikely to involve anything as simple as a magic wrinkle cream from Boots.

We may be living longer, but we are not ageing well. A whopping two thirds of us have a body age that is higher than our chronological age.

Packed with stats and tips, this fascinating documentary sees Dr Chris Van Tulleken and Angela Rippon join health experts to help some volunteers who are ageing badly.

The team has built an ageing lab, which looks like something out of a sci-fi movie. There they can test everything from total body fitness to body fat to ultimately give the human guinea pigs their body age. Then – suitably horrified from the results – the volunteers are given a 12-week programme to help overhaul their health. “We are going to slow down the ageing process,” says Angela, who incidentally looks much more youthful than her 72 years. Tonight’s episode focuses on three unhealthy Brits. Patrick, 51, looks fit and lean, but his junk food diet is doing some serious damage to his heart.

Standing in front of several screens that look like something out of the Minority Report, his jaw literally drops open when he finds out his body age.

Meanwhile, 54-year-old Harminder needs to overcome chronic stress, while 47 year-old Jenifer is shown a radical new technique to cure her insomnia.

This is an informative – and yet slightly scary – peek into what’s going on inside our bodies. And it may just make you want to dig out your running shoes in a panic... THIS completely absurd game show is back for a fifth series with more bewildering assignments that make absolutely no sense. But that doesn’t matter in the slightest.

As ever, Taskmaster brings us a generous clutch (or should that be chuckle?) of comedians, assuring that this is always funny.

Greg Davies presides in a gaudy throne as the omnipotent Taskmaster, with Alex Horne as his sidekick and general dogsbody, dishing out bizarre challenges.

We’ve been spoilt with some good names in comedy – Sally Phillips, Nish Kumar, Bob Mortimer, Aisling Bea and Mark Watson.

All have brought in an “excellent noise-making thing” as this week’s prize – these include an air horn and an actual opera singer. First they must devise the most special of cuddles for Alex, before trying to get a ball into a basketball hoop without using their hands and being stranded in a lake.

Dignity is lost, insults are flung, and rivalry surfaces, as Greg smugly continues to reign supreme. An hour of pure unadulterated silliness.