David Tennant guest hosts the first episode in this new series. Amy Winehouse, George Galloway and Lauren Harries make guest appearances.
This week's guest host is Tamzin Outhwaite. With guest appearances by Just Jack, Kate Thornton, Tito Jackson and Bradley McIntosh.
James Nesbitt is this week's guest host. Mika performs and Leo Sayer, Kirstie Allsopp and Shahbaz Chauhdry pop in the studio to have a chat.
Tonight, Noel Edmonds is the guest host. Fall Out Boy performs and Kelly Osbourne and Jason Donovan make a guest appearance.
Jamie Oliver hosts this week's show. The Klaxons perform their latest single and Jermaine Jackson and Nora Sands make a guest appearance.
This week's guest host is Steven Seagal. Ghosts, Gemma Atkinson and Jamelia make a guest appearance.
Ashley Jensen hosts this week's show. The Gossip performs and Duncan James and Kim Woodburn pop in the studio to have a chat.