Filmmaker, comic book fanatic and all-around geek ambassador, Kevin Smith sits down with host Neil deGrasse Tyson. Later, in the Cullman Hall of the Universe, Tyson is joined by comedian co-host Chuck Nice and astrophysicist Charles Liu as they discuss science fiction, comic books and the science of superheroes. StarTalk science correspondent and anthropologist Natalia Reagan sends a dispatch from San Diego Comic-Con, where hundreds of thousands of fans converge to share their passion for comics, science fiction, movies, TV and cosplay.