Lenny Henry, Davina McCall, Paddy McGuinness, Alesha Dixon and David Tennant preside as stars of stage, screen and the movies entertain the nation with hilarious sketches, live performances, big surprises and stunning music acts in a bid to raise much-needed cash for good causes at home and across the world. Highlights include Michael Sheen, Anna Friel and Keira Knightley in the greatest disaster movie never made, the hosts of Top Gear facing interrogation by their most savage critics to date and Dawn French back as Geraldine Granger, joined by the Rev Kate Bottley. Fans of Fleabag and Normal People get a confessional close-up as the stars of two of TV's biggest shows meet for a mash up like no other, Alex Scott and Jermaine Jenas take part in the world's largest and longest Red Nose and Spoon Race and Tim Vine rewards the men and women of the UK's military forces by spreading a smile. Five comedians have just 24 hours to perfect their opera voices under the watchful eye of their mentor Charlotte Church, while Jack Whitehall hosts a Comic Relief Zoom meeting that quickly descends into chaos. Plus, music by Gabrielle, the Proclaimers, the cast of Back to the Future: the Musical, and a performance of a Bridget Jones's Diary classic by a host of celebrities.