Dotun Adebayo takes you through the night, with interviews about stories from around the world, updates from the BBC's foreign correspondents, and regular news and sport updates.
Colonel Morris Davis, former Chief prosecutor at the Guantanamo military commissions, gives his thoughts about the military tribunal of Khalid Sheikh Mohammed, the man accused of planning the 9/11 attacks.
Including from 1.35am the New York hour. Our native New Yorkers bring you a flavour of life, culture and the stories that have got people talking in the Big Apple.
From 2.35am, the Virtual Jukebox - your chance to help Dotun pick the latest addition to Up All Night's eclectic music collection. From Pavarotti to Thin Lizzy, the choices are never predictable. To take part, call 0500 909 693 (free from most landlines; other networks and mobiles may
charge). Text 85058 (standard rate). Email email@example.com.
And from 4.35am, our regular in-depth interview from the arts world.