Davina McCall and Kevin McCloud present a special night of show-swapping entertainment with some favourite Channel 4 stars. There's a variety of comedy sketches that includes a Deal or No Deal skit in which psychological mastermind Derren Brown tries his hand as a contestant 'playing' The Banker at his own successful game.
Alan Carr causes havoc with a special Chatty Man version of The Million Pound Drop in which Loose Women (Denise Welch, Sherrie Hewson, Lisa Maxwell and Jane McDonald) take on Richard Bacon and Alexander Armstrong in a bid to win a million for their chosen charities.
Dinner is served with plenty of giggles as a bunch of mischievous comedians take on the Come Dine with Me Comedy Mash Up challenge, with Angelos Epithemiou, Olivia Lee, Pete Firman and Stan Boardman.
A number of Channel 4 faces swap their postcodes for Made in Chelsea's SW3 as they strut their stuff and party with London's glamorous young socialites.
The Chatty Man Mash Up will see a very special host hijack Alan's chair and tuck into his drinks globe, as Alan finds out what it's like to be a guest on his own show.
The 8 Out of 10 Cats crew - Jimmy Carr, Jon Richardson and Sean Lock - hijack an episode of Deal or No Deal.