Since Chevy Chase first uttered the phrase \'Live from New York, it\'s Saturday night,\' Saturday Night Live has grown from the vision of Canadian comedian Lorne Michaels to be a cultural institution. And while the early days of cocaine-fuelled all-night writing sessions have given way to the world\'s biggest names treading the boards in Studio 8H, SNL remains must-see TV and the ultimate goal of any aspiring young comedian. Everyone has a favourite cast member, a favourite sketch and a favourite quote. After 46 years on air, how could you not?