campaign on social networking site Facebook. Broadcast dates List of episodes Seasons one and two Interviews Guests on the first two series' of the show included: Bob Geldof, Charles Dance, Bertie Ahern and Fine Gael leader Enda Kenny. Actress Brenda Fricker appeared with her Oscar and was shown playing drums with the house band. Former tennis player Pat Cash was shown playing guitar. Channel 4 newsreader Jon Snow sang The Beatles song "Hey Jude" and encouraged the audience to join in. Hollywood actor Richard E. Grant revealed his reason for appearing in Spiceworld: The Movie. Also appearing were: comedian Ardal O'Hanlon, Irish international rugby captain Brian O'Driscoll, snooker players Dennis Taylor and Steve Davis, former Emmerdale and Bad Girls actress Claire King, Coronation Street actress Sally Lindsay, actor Jimmy Nesbitt, supermodel Twiggy, Naked Camera actor Maeve Higgins (who revealed why she wanted to marry Eddie Hobbs), West Wing actor Martin Sheen, actress Julie Walters, comedian Ross Noble (Who climbed the prop bookcases and inspected the books to see if they were real, before ripping out a picture of Mike Yarwood on one page and wearing it as a mask and television personality Hector Ó hEochagáin. Musical guests included: Blondie, The Human League (singing "Don't You Want Me") and Natalie Imbruglia (singing "Shiver"). Guests included: Performances As is standard with televised talk shows, each week an artist was invited to perform a musical composition. Irish musical groups to appear included: Irish soloists invited to perform their musical compositions included: Season three International guests in season three included: David Hasselhoff (who entertained the audience with an impromptu version of "Unchain My Heart"), Jack Osbourne, Ainsley Harriott, Paul Burrell, Martin Sheen, Julie Walters, Wendy Richard, Joshua Jackson, Fionnula Flanagan, Andy Summers, Pete Burns, Joanna Lumley and Belinda Carlisle. Season four International guests in season four included: Christian Slater, Jennie Bond, David Gest, Sophie Dahl, Myleene Klass, Janice Dickinson, Barbara Windsor, Frank Vincent, Dominic Purcell, Kathleen Turner, Martin Freeman, Carol Vorderman, Patsy Palmer, Max Clifford, Geri Halliwell, Joe Elliott and Morgan Spurlock. Season five International guests in season five included: William Shatner, Henry Winkler, Roger Moore, Richard and David Attenborough (on separate occasions), Paul Gascoigne, Spandau Ballet and a then-unknown singer called Lady Gaga. Former president Mary Robinson also appeared, as did Gay Byrne. David Hasselhoff made a return appearance to mark the final episode, as Tubridy moved to Friday nights and The Late