Seeds of deception: the sperm donor doctor
10pm, BBC Four
The skin-crawling story of fertility doctor Jan Karbaat, who secretly used his own sperm (instead of donor sperm) to impregnate more than 65 patients, is told by some of those women in this excellent three-part documentary. It begins by contextualizing the importance of access to donor insemination in the 1970s – in a world that judged women who wanted a baby without a male partner – and how Karbaat benefited from pioneering it. Hollie Richardson
Between the covers
7pm, BBC Two
Is a beat-up book at the bottom of your bag a sign of a loved one or an abused treasure? Choose your side as guests like Nish Kumar, Laura Smyth, Ben Miller and Kerry Godliman make their pitch. They will also review Devil's Breath by Jill Johnson. HR
Panorama: the cover-up of water pollution
8pm, BBC One
Privatization is often accompanied by a powerless supervisor, but the problem is especially serious in the water sector. In this study, Joe Crowley explores how companies that dump large amounts of sewage into our rivers may be able to boast high environmental ratings. Are they allowed to cover up incidents of serious pollution? Jack Seale
Julius Caesar: The Making of a Dictator
9pm, BBC Two
In which Caesar conquers Gaul while cunningly making political allies of Pompey and Crassus, memorably described by historian Tom Holland as akin to “the Joker, Riddler and Penguin coming together to divide Gotham City.” Ex-Tory MP Rory Stewart notes of Julius: “A populist can corrupt an entire state” – and he should know what he is talking about. Ali Catterall
The neighbor couple
9pm, Channel 4
The steamy thriller about suburban swingers continues – and brace yourself, because the foxy foursome are heading away for the weekend. However, destruction lurks in the form of stalker Alan (Hugh Dennis), whose obsession with Becka (Jessica De Gouw) reaches a breaking point. HR
Grime children
10pm, BBC Three
The lovable '00s coming-of-age drama about five boys from East London trying to make it in the grime scene reaches its penultimate episode. Stealing rhymes from local legend Wiley has seen Kai's stock plummet in the tight-knit Gladiator Crew. But with a birthday party live set on the horizon, who else has good skills on the mic? Graeme Virtue