Here's a look at what's coming up this Red Nose Night from 7pm on BBC One.
7.00 Jonathan Ross starts the night's presenting duties. Harry Hill takes a look at the last 12 months of TV in his own unique style and Ant and Dec referee a Shepherd's Bush Tucker Trial.
7.30 The Fame Academy semi-final takes place with the final three students. There's a special episode of My Family with guests Dermot Murnaghan, Anthony Head and Nell McAndrew. Dick and Dom bring guest Rupert Grint to a museum for cult game Pro Celebrity Bogies. McFly join the party with live music.
8.00 Rowan Atkinson's latest alter-ego, Spider-Plant Man lands with a flourish in a feature starring Rowan Atkinson, Rachel Stevens, Jim Broadbent, Simon Pegg, Mackenzie Crook and Tony Robinson.
8.30 The eagerly awaited Little Britain specials featuring Geroge Michael, Elton John and Robbie Williams make their debut, plus Big Impressions from Alistair McGowan and Ronni Ancona.
9.00-10.00 The final two square up in the Fame Academy Grand Final. Spider-Pant Man faces his arch-nemesis in part two of the feature. Plus the Antiques Roadshow comes to the village in a Vicar of Dibley special.
10.35 Graham Norton takes over the presenting patrol and introduces Ricky Gervais in America. Patrick Kielty and Cat Deeley return to announce the Fame Academy winner. Little Btitain's Vicky Pollard is an unsuspecting guest on Trisha.
11.30 The Absolutely Fabulous team try to get the Spice Girls back together in a special mini-episode and Keane play live.
12.00 Chris Evans wraps up the live event with an hour of Little Britain, Smith and Jones, stand-up comedy and guest Eric Clapton and Pauline Calf.
1.30-3.05 Johnny Vaughan and Keira Knightley present an assortment of Comic Relief's best moments from 20 years of Red Nose Days.