Scott Mills sits in for Chris Moyles to entertain the nation.
Fearne Cotton's off, so Sara Cox takes over the home of Radio 1's Live Lounge.
All the news you need to know from the UK and around the world, brought to you by BBC Radio 1's dedicated team of journalists.
Radio 1 Breakfast with Greg James
Thurs 7th Jan - Greg checks in with the possible No 1's this week
3 hours on BBC Radio 1 N. Ireland
Mystic Greg tries to predict the week's Top 40, plus there's another best bit of the radio from yesterday and a Ten Minute Takeover.
Dev sits in for Scott Mills, who's sitting in for Chris at breakfast all week!
All the news you need to know from the UK and around the world, brought to you by BBC Radio 1's dedicated team of journalists.
Dev sits in for Scott Mills, who's sitting in for Chris at breakfast all week!
Huw Stephens keeps Zane Lowe's seat warm with two hours of the best new and cutting edge music. Show more
Jaymo and Andy George with what to look out for in 2010. Tunes from the likes of Simian Mobile Disco, Herve, and Mighty Mouse plus a quick look back on what they chose this time last year
Hang out with Grimmy and the best new music we can find.
Kissy brings you two hours of jump up rock and rave.
The legendary Annie Nightingale with Radio 1's breaks show. Show more
1Xtra's Max sits in for Dev with the best new and UK music. Show more