First broadcast: on BBC HDLatest broadcast: on BBC HD
It is the final, and the teams have only one chance to pull off their mashup performances at Radio 1's Big Weekend. Who will take home the Clash trophy? Show more
First broadcast: on BBC One WestLatest broadcast: on BBC HD
In the last weekly challenge before their final performance, the Clash teams go busking in Covent Garden with help from Tinchy Stryder, Pixie Lott and The Saturdays. Show more
First broadcast: on BBC One WalesLatest broadcast: on BBC HD
Bobby Friction and Nihal host a musical challenge. The teams meet for the first time, discover the task ahead of them, and take on their first weekly challenge in London. Show more
First broadcast: on BBC One WestLatest broadcast: on BBC HD
The teams must get their mash-up tracks in shape for their live performances at Radio 1's Big Weekend, and it begins to resemble X-Factor down at the rehearsal rooms. Show more
First broadcast: on BBC HDLatest broadcast: on BBC HD
Hot on the heels of the Military Band drama, both teams regroup at Clash HQ, and are shocked to discover the location where they will be performing their final mash-up. Show more
First broadcast: on BBC HDLatest broadcast: on BBC HD
DJs Bobby Friction and Nihal lead their teams into their third, and possibly toughest, challenge yet - to write and create a Doctor Who music score. Show more