Tv tonight: secrets in the garden and celebrity bakes

David Attenborough's new series, Secret Garden, explores the wonders of Britain's backyards, starting in an Oxfordshire mill house where he discovers scampering voles and brutal mallard battles.

Other highlights tonight

The Great Celebrity Bake Off for Stand Up to Cancer challenges Ambika Mod, Rose Ayling-Ellis, and Alex Brooker with mini rolls and syrup sponge puddings, while their showstopper recreates their best looks in choux pastry.

In The Other Bennet Sister, Mary Bennet mulls over Mr Ryder's