No Sex Please, We're Japanese - 9pm, BBC2
As the global population keeps rising, Japan is set to shrink by a third in the next 40 years if current trends continue. Anita Rani visits the land of the rising sun – but not of raising sons – where maternity wards and primary schools lie empty and thirty-something men "date" virtual teenage girlfriends.
Trust Me I'm A Doctor - 8pm, BBC2
Could trees be the answer to air pollution, which kills 29,000 people a year? Plus a novel cure for migraines discovered by chance in a beauty clinic.
Arena: The National Theatre - 9pm and 2.40am, BBC4
The Arena programme salutes the National Theatre on its 50th anniversary. Everyone who has been anyone in this story reminisces on camera - the deceased obviously (Laurence Olivier, Kenneth Tynan and the architect Denys Lasdun) in archive form, although Lady Olivier, Joan Plowright, is on hand to put the knife in for her late husband. Jonathan Miller, Tom Stoppard and Maggie Smith also contribute.
Up All Night: The Minicab Office - 10pm, Channel 4
Cameras are installed in a Norwich cab office that chauffeurs 1,000 clients a night.
My Crazy New Jamaican Life - 11.05pm, Channel 4
Meet two white British women who have a love of all things Jamaican, including student Holly, who is turned off by her local social scene in Kent and dreams of acceptance in the expressive world of bashment.