John talks about writers laughing at their own material, shooting 3rd Rock from the Sun, working with Joseph Gordon-Levitt, hanging out with Jerry Seinfeld, wanting to be an artist, his time in radio, his poetry book 'Trumpty Dumpty Wanted a Crown: Verses for a Despotic Age,' and since he has been in so many movies, Jimmy challenges him to a round of 'Did I Say That?' Watch Jimmy Kimmel Live! WEEKNIGHTS 11:35|10:35c on ABC, streaming, on demand, and Hulu.