As part of their World Stage Series, MTV will broadcast a Slipknot concert recorded live in London in December of last year on TV tomorrow night (Friday, March 13) in 160 different countries.The show will feature the Iowan outfit's crushing performance from London's Hammersmith Apollo on December 3, 2008. British viewers can see the show on MTV UK (Sky channel 350 and Virgin Media channel 311) at 11pm.Slipknot will return to the UK in June to headline the Kerrang!-sponsored Download festival.