One Direction's first network special offers backstage footage, comical stunts and performances of some of the band's biggest hits.
Harry Styles
Zayn Malik
Niall Horan
Louis Tomlinson
Liam Payne
Score: 7.0
Score: 7.6
Score: 6.9
Score: 7.7
Score: 8.2
Score: 6.0
Score: 7.2
Score: 7.0
