The brilliant Alessia Cara joins Grimmy for a catch-up.
Grimmy is getting very excited about Glastonbury.. so he plays a Glasto game!
Izzy Bizu drops in with her Euro 2016 song!
Tom Odell drops in, plus Grimmy gets excited about the Euros!
Rick Edwards dressed as He-Man, desperate for the loo...and other stories!
Twin Atlantic join Grimmy to kick-start Radio 1's Rock All-Dayer!
Listener Stef creates a brand new game for us '2p Or Not 2p' - and we love it!
Paddy McGuinness rings in to give Nick all of the gossip from Soccer Aid.
Hi huuun...#newmusicfriday is on so we've got new James Bay and Twin Atlantic.
Grimmy's special guest is the Mother of Dragons, Emilia Clarke. With added Nick Jonas!
Paddy chats about all things including his new bff Niall Horan!
Hi huuun... Nick catches up with magician Richard Jones, winner of Britain's Got Talent.
Hi huuun... Grimmy is back from Exeter and reliving Radio 1's Big Weekend.
Kit Harington is here!
Biffy Clyro and Jack Garratt co-host with Grimmy, three days before Radio 1's Big Weekend!
Jess Glynn and Ryan from OneRepublic are the day's Big Weekend co-hosts.
Craig David and Dan from Bastille co-host with Grimmy as he gets set for the Big Weekend!
Abbey Clancy joins Nick, plus he wakes up Laura Mvula ahead of her Live Lounge.
David Walliams is here, we've got some EastEnders cast on, and we wake up Tom Odell!
Star of the new Teenage Mutant Ninja Turtle film Stephen Amell is here live.
It's Monday Soap Day with Danny Miller and Matthew Wolfenden from Emmerdale!
Ryan Tedder from OneRepublic is in the studio, plus Nick chats to David Guetta.
Damian Lewis is here chatting about his new amazing TV show Billions.
The incredible human that is Will.I.Am joins Nick.
Justin Timberlake joins Grimmy, plus movie star Josh Hartnett is on the show.
Happy Monday! Grimmy talks to Elle King and Anna Friel!
Tom Hiddleston is live on the show! Plus it's New Music Friday.
Game Of Thrones star Maisie Williams - aka Arya Stark - is live in the studio.
We ask the big questions, Gary Lineker in his pants - you likey?
Grimmy is back with guests Graham Norton and Cillian Murphy!