From X Factor auditions to building the band, this episode looks back at the early days of One Direction, what made them stand out during their time on the UK's biggest talent show and how the fandom began to grow. Tweet @thisisalexjames

The ten year celebrations continue as Alex James looks back at how One Direction found their sound and made the music that would top the charts around the world, with contributions from songwriter Savan Kotecha and Billboard journalist Andrew Unterberger.  Tweet @thisisalexjames

It's been a labour of love for ten years and in this episode you'll hear from fans from all corners of the globe who are proud to be part of the 1D Army. Find out why they love the boys so much, what makes the fandom so special and what makes the fans tick. Tweet @thisisalexjames

How do you turn the world's biggest band into the world's biggest brand? In this episode Alex looks back at the merch machine that grew as big as One Direction themselves with an exclusive insight into one of the group's biggest product launches.  Tweet @thisisalexjames

In this final episode Alex reflects on what it was like to interview the band during their time together, the impact of Zayn's departure from the group and the fans share their personal stories of the role One Direction have played in their lives.