The Real Marigold Hotel BBC2, 9pm
New series. Eight celebrities embark on an experimental adventure to Jaipur in India, to test whether they can set up a more rewarding retirement than in the UK. Wayne Sleep, Miriam Margolyes, Rosemary Shrager, Bobby George, Jan Leeming, Patti Boulaye, Roy Walker and Sylvester McCoy take over a private mansion in the heart of the old city and have to work out how to set up home together. In the opening episode, the group are shocked by the realities of coping with everyday life in India, including the hectic roads, poor toilet facilities and animals wandering the streets.