SNL is celebrating 50 YEARS! The LA Times asked actors, writers and directors about their fave moments. Will Ferrell's favorite sketch? He went DEEP in the SNL Archive for 'Fred Garvin: Male Prostitute' from 1979 featuring Dan Aykroyd and Margot Kidder. Will said he was too young to understand the bit, but loved how Aykroyd said, 'I'm Fred Garvin. Male Prostitute!' WATCH: