Nathan Fillion will be appearing on Jimmy Kimmel Live on Monday April 12.  You can request tickets for the live studio audience via http://www.1iota.com/events,4739,Jimmy-Kimmel-Live-Studio-Audience-.html

Jimmy Kimmel Live airs on ABC at 12/11c.  Also appearing on the show are

Pamela Anderson (Dancing with the Stars) and  musical guests Them Crooked Vulture.