1Xtra DJ Mistajam hosts the biggest, brashest music and culture show on the road. Justin Timberlake talks about his new movie, Social Network. The programme spends a day with world champion heavyweight boxer David Haye. Football fan Tinchy Stryder goes on a tour of Manchester United, and JME and Skepta go head-to-head Mario Kart stylee! As if that wasn't enough, the freshest new girl group in town, Ruff Diamonds, hang out, and Mz Bratt gives her fashion tips. Plus there's heaps of comedy from NHNT regulars the Cuban Brothers, Skillit and Caramel.