A night out with friends - sounds like fun. But somebody has to pay.
1/4 Mark Watson, Tim Key and Tom Basden ask how we measure success.
BBC Radio 4 Extra
5/6 Can the Sheriff of Nottingham develop a sinister laugh?
5/6 Haunted by his past, the comedian has words of caution on the return of personal items.
6/6 Brian Cox and Robin Ince discover how science can make the invisible visible. (R)
BBC Radio 4
4/6 The writer has quit smoking and is jetting off, but the geraniums don't want him to go.
17/20 An entrepreneurial spirit draws a group of novices to the local standing stones. (R)
1/4 The comedian entertains at home with a nourishing menu of Welsh rarebit.
2/8 Danny has an enlightening sex education lesson. (R)
BBC Two Northern Ireland
14/16 Joining Sandi Toksvig and Alan Davies are Colin Lane, Sarah Millican and Noel Fielding.