Dermot O'Leary returns, plus another huge Summer Mix!
BBC Radio 1
M.O join Clara to perform in the world-famous Radio 1 Live Lounge.
Tom Price sits in for Wynne and asks if Lynn Bowles has the UK's favourite radio voice.
BBC Radio Wales
Chris Stark is back and playing Innuendo Bingo with Calum Scott...
Alan Thompson sits in for Eleri, and Simon Calder takes listeners' travel questions.
Another listener gets the services of Rent-a-Greg!
Another Ten-Minute Takeover and more musical goodness.
Rag N Bone Man plays live, plus the Big Moon drop in on Huw with their brand new single.
Tom Ravenscroft curates an hour of his favourite new music.
BBC Radio 6 Music
Scott and Chris Stark sit in for Grimmy and catch up with Isla Fisher.