This week: The filmmaker who documented Edward Snowden (but didn’t decorate his hotel room) … Comedian Nick Kroll goes in search of the weirdest voices in America … Chef and author Eddie Huang tries to bring authenticity to a network sitcom … Kolache pastries heat up … An opera star shares moments when music made the movie … Lionfish on the prowl … The luck of the Lucas Gusher … and a brassy new number from super-producer Mark Ronson.