Science mastermind Brian Cox joins Shaun on the phone to talk all things science.
Listen live (BBC Radio 6 Music homepage)
Lauren is joined by Jamie T for a live session in the 6 Music studios.
Stuart Maconie presents the show solo and is joined by singer-songwriter Martin Carr.
Music profiler Robin Ince joins Steve and attempts to guess the identity of a listener.
One man and some records. It's a crazy idea but it just might work.
Gideon Coe plays archive sessions and live tracks.
Tom curates an hour of his favourite new music.
4/7 John Peel continues the era of flower power, student protest and the road to Kathmandu.
2/2 Pete Best celebrates the venue where the Beatles enjoyed residency before the Cavern Club.
The Truth in concert in Chippenham in 1984, plus sessions from Chelsea and Dear Reader.