Grimmy catches up with Mel Giedroyc and Scott Mills, who are in Kiev for Eurovision, plus he has more Big Weekend tickets to give away, and it's Throwback Thursday.
Mura Masa is in the Live Lounge with Charli XCX to perform 1 Night.
The latest news from around the UK and around the world.
Alice Levine sits in for Scott Mills, and has a lesson in table manners from a real etiquette coach with Chris. How are you supposed to ask for the last chicken wing at dinner? Show more
Sue Perkins pops by to play Wrong Uns, plus Greg has the first play of brand new Miley Cyrus.
Newsbeat is live at a student house in Sheffield looking at housing issues ahead of the election and has an exclusive interview with Glastonbury boss Emily Eavis.
Greg has the Ten-Minute Takeover, plus Ali Plumb with the latest movie reviews.
Sundara Karma deliver the Hottest Record In The World, plus rapper Big Boi of Outkast picks the Party Playlist.
Anne-Marie picks the music!
Kolsch explores melodic dance and intimate electronica on Radio 1's Residency, with music from Fort Romeau, Asgeir, Rhythm and Sound, Carl Craig and more.
Dark, beautiful techno transmissions with Hamburg's Helena Hauff on Radio 1's Residency.
Toddla T throws down two hours of bass, bounce and carnival vibes from around the world.
We get excited for Harry Styles with Grimmy. Plus it's New Music Friday.