Red Nose Day 2011 is on its way to make us laugh and raise lots of money for millions of people all over the world.
Blue Peter presenter Helen Skelton is leading the way with a dare-devil challenge - she'll test her nerves by walking on a high wire suspended way up in the air!
Catherine Take and comedians Alan Carr, James Corden, John Bishop and David Walliams audition to be Take That tribute band Fake That in a one-off sketch for Comic Relief.
Dick and Dom are just two of the CBBC stars doing their bit - and looking pretty good in their new noses too!
There are three different red noses this year - which one's your favourite?
Dance group Flawless, are doing their bit to raise awareness of Comic Relief, which has worked in 76 countries since it started fundraising in 1985.
As well as fundraising events, there'll be lots of stuff you can buy to raise money for Comic Relief - including t-shirts, badges and even tomato plants.
Let's Dance for Comic Relief will also be back on TV, starting on Saturday 19 February. Funny lady Miranda Hart will be on the panel to judge the celebs' moves.
As always, the fundraising fun will also include the Red Nose Day TV special, which this year is on Friday 18 March.
Comic Relief has raised more than £650 million since its launch in 1985. Let's hope they raise loads this year too!