Russell Howard is Greg's big Thursday guest and plays a round of Lady Time in the studio.
BBC Radio 1
Matt Edmondson sits in for Scott Mills - it's like a normal afternoon, only different.
Swedish singer and songwriter Tove Lo is in the Radio 1 Live Lounge for Fearne.
Rebel Wilson drops in to chat to Nick about Pitch Perfect 2
Beautiful new music of every texture, colour and origin.
BBC Radio 6 Music
Aled and Dr Radha take questions on dealing with bullies in the flesh and online.
Another Ten-Minute Take-Over and more musical goodness.
Mumford & Sons at Maida Vale for a Radio 1 Live Lounge Special.
Greg offers another chance to Rage Against the Answer Machine.
Matt Edmondson and Clara Amfo look at the week's new entries and big chart climbers!