What is it? Mardi Gras-themed mayhem at VAULT Festival – exclusively discounted for Time Out readers. When is it? Friday February 23 and Saturday February 24, 10.30pm to 3am. Why buy? Never been to VAULT Festival before? Well, we can’t think of any better reason for you to visit the oasis inside the subterranean arts venue beneath Waterloo station. In a riot of colour and sound, top performance collective Shotgun Carousel will be delivering London’s answer to Mardi Gras festival. Expect the gloomy recesses of the Vaults to be brought to life with giant brass sections, circus acts, cabaret performances, dancing, vibrant costumes and generally raucous joie de vivre. Seriously, who needs New Orleans when you’re partying here in London until 3am? Standard tickets are usually £13.50, but with our exclusive offer, they’re just £9.50. Get booking – and make sure you wear your dancing shoes! This voucher is valid for one ticket to Shotgun Carousel present Fat Tuesday: Mardi Gras at VAULT Festival. This voucher cannot be cancelled, refunded, exchanged or used in conjunction with any other offer.