The series begins as the gang cause chaos at the photoshoot for their debut album cover and prepare for their first-ever festival performance.
The boys' time on the festival circuit begins to wear them down, but it's nothing a massage won't solve. Then they're in London, working on their album with Hardy Caprio.
GK decides to have a full stomach tattoo and is joined by Kane and Clive for moral support. The rap trio embark on a madcap social-media stunt down rapids on a Welsh river before heading off to Leeds Festival for their biggest show to date.
The boys return to their home town for their biggest show in Bradford to date. It's an emotional reunion for some of GK's family as they see him perform for the first time.
The boys feature friends, family and flash motors in music video shoot, before a meeting about their BBCC merchandise throws up some surprises at Sony's headquarters.
This week the boys embark on their headline UK tour, but life on the tour bus soon begins to take its toll...