<br /> John Mulaney had some memories to revisit upon his return to SNL!<br /><br />He talked about the origins of Stefon for SNL‘s YouTube channel, as well as 'new' sketches that were originally rejected when he was a writer.<br /><br />But there's another fun image from when Jon Hamm hosted the show.<br /><br />The cast decided dressed up as Mad Men characters for the occasion.<br /><br />Needless to say, Hamm was surprised. <br />
