Zane Lowe looks ahead to the Future Festival, plus Nick chats to Kelly Clarkson!
All Time Low jet in from America with their new single.
Dance yourself dizzy and head into 2015 with some of Radio 1's favourite Nixtapes of 2014!
Cameron Diaz, Jamie Foxx, Jude Law and Joel Edgerton round off Massive Movies week!
Grimmy hears from Ben Stiller, Luke Evans and Anna Kendrick, plus the Strictly finalists.
Massive Movies week continues with Owen Wilson, Rafe Spall, Jeremy Irvine and Phoebe Fox.
Nicole Kidman, Eddie Redmayne and Rebel Wilson talk movies.
Massive Movie Week starts with Jim Carrey, Jeff Daniels, Martin Freeman & Channing Tatum!
Live Music & behind-the-scenes interviews from the BBC Music Awards!
Rio Ferdinand is Grimmy's special guest, plus Fearne Cotton and Chris Evans drop in.
Marilyn Manson and X Factor finalists Fleur, Ben and Andrea drop in - not all at once.
George Ezra and 5 Seconds of Summer join Grimmy on the show.
Steel Panther bring a touch of festiveness to the Radio 1 Breakfast Show!
It's Friday - must be the Nixtape!
Grimmy goes A-list with special guest Orlando Bloom.
James Buckley of The Inbetweeners fame joins Grimmy for Call or Delete.
Serge from Kasabian is Grimmy's special guest.
Olly Murs drops in to co-host the show with Grimmy and kick-start Christmas.
Joey Essex drops in on the show, plus it's Friday - must be the Nixtape!
Unique humour and great music - it's Grimmy and the Radio 1 Breakfast Show.
Jack Whitehall is Grimmy's guest, plus news of something rather special in the next week!
Van McCann from Catfish and the Bottlemen joins Grimmy.
Vloggers Alfie and Marcus play Call or Delete with Grimmy.
Grimmy and the team see what ridiculous lines the Radio 1 and 1Xtra DJs will read!
Sir Bob Geldof is live in the studio telling us all about Band Aid 30.
Grimmy joins up with 1Xtra for a special Nixtape ahead of 1Xtra Live in Birmingham!
Dave Grohl of Foo Fighters is Grimmy's special guest.