Keeping It Up: The Story of Viagra
9pm, BBC Two
Radium exposure. Monkey testicle transplants. Penis pumps. Men have always gone to great lengths to help ensure a, erm, great length – especially if it’s because of impotence. But 25 years ago, Pfizer’s little blue pill, Viagra, revolutionised the search for an erection. In this Storyville documentary, sex experts and doctors tell the gamechanging story of the controversial drug. Hollie Richardson
Dispatches: How Safe Is Your Turkey?
7.30pm, Channel 4
If you were considering a veggie Christmas, this week’s Dispatches might be the thing that makes you attempt a nut roast. With a whopping 9m turkeys reared in the UK in the run-up to the big day, this investigation looks into food safety concerns at one producer. HR
Gardeners’ World
8pm, BBC Two
In the first of four specials, Carol Klein is in Kent, bigging up witch hazel. We are also invited to explore the ultimate secret garden nestled on a cliff edge in Cornwall and Monty Don explains the correct method of potting a Christmas favourite. That’s right – he’s answering that perennial question: “Is this the way … to amaryllis?” Ali Catterall
Two Doors Down
9.30pm, BBC One
More wonderfully uncomfortable bathos from suburban Scotland as the almost self-generating series continues. This week, there are two different kinds of pest, as Ian’s old school friend Darren turns up out of the blue and installs himself on Eric and Beth’s sofa. Not only that, but Rentokil have been in the neighbourhood and they have bad news. Phil Harrison
Breeders
10.15pm, Sky Comedy
The series’ two-part finale begins with beleaguered parents Paul (Martin Freeman) and Ally (Daisy Haggard) doing their best to help out son Luke, who is struggling with his own version of work-life balance. Plus, Paul is also still a son, of course. He is reminded of that as his mum’s condition begins to deteriorate. Ellen E Jones
The Graham Norton Show
10.40pm, BBC One
Julianne Moore, who stars in Oscar-touted drama May December, gets comfortable on Graham Norton’s couch this week. They’ll be joined by Jamie Oliver, who has a new cookbook to plug, and Ricky Gervais, who heads off on his standup tour Armageddon next week. HR
