EP1 - Jeremy Piven, David Tennant, Sarah Millican, Phil Taylor and Jake Bugg EP2 - Jamie Foxx, Paloma Faith, Micky Flanagan and Biffy Clyro EP3 - Jo Brand, Kimberley Walsh, Madness EP4 - Jools Holland, Rose Byrne, Adam Hills, Alicia Keys EP5 - Sir David Attenborough, Eddie Izzard, Russell Brand, Dolph Lundgren, Pulp EP6 - John C Reilly, Hayley Atwell, Hurts EP7 - Ant and Dec, Tim Roth, Ke$ha EP8 - Justin Timberlake, Joss Stone, Jason Manford, Tom Odell EP9 - Olga Kurylenko, Carol Vorderman, Jack Whitehall, Bruno Mars EP10 - Olivia Newton-John, Keith Lemon, Nicole Scherzinger EP11 - Matt Smith, Ruth Jones, Stereophonics EP12 - Danny Boyle, Nicholas Hoult, Ian McShane, Bobby Womack, Damon Albarn EP13 - James Nesbitt, Warwick Davis, Jourdan Dunn, Depeche Mode EP14 - Sir Ben Kingsley, Audrey Tautou, Carl Froch, Alt-J EP15 - Cast of Made in Chelsea, Suede, Martin and Gary Kemp, Julian Clary EP16 - Steve Coogan, Saoirse Ronan, will.i.am EP17 - Russell Tovey, Peter Andre, Rudimental EP18 - Zachary Quinto, Zoe Saldana, The Illusionists, Thom York EP19 - Jamie and Louise Redknapp, Yoko Ono, Vin Diesel, The Illusionists EP20 - Gemma Arterton, Lee Evans, Philip Glenister, Marc Warren, Max Beesley, Primal Scream