Michael Palin heads to Iraq for the first time, as he embarks on a 1000-mile odyssey traversing the course of the great Tigris river from its source in eastern Turkey to the Persian gulf.
This year marks the 20th anniversary of the show and judges Craig Revel Horwood, Shirley Ballas, Motsi Mabuse and Anton du Beke will be seeing if the celebrities know their Quickstep from their Charleston.
Tess Daly and Claudia Winkleman will return as hosts and four new professional dancers will join the series taking the total to 20, the show's biggest dancer line-up ever.
Here are the first celebrities ready to put on their dancing shoes.
