About.com: Tickets for NYC Television Tapings: Information about becoming an audience member for shows taped in New York City. Includes Conan O'Brien, Saturday Night Live, Late Night with David Letterman, and The Today Show.
BBC Online - Tickets: Find out what shows you can take part in at BBC Television & Radio - and how to apply
Beonlive.com: Free audience tickets for a variety of shows taping in the U.K.
Free TV Tickets: Reservations for sitcoms, game shows and talk shows. Includes studio and tour information, as well as tips on how to be an extra in films.
Hollywood on Location: Provides a list of an average of 200+ daily shooting schedules for film and television companies.
JAM Packed TV Shows: Individual and `group` tickets that can be printed out for a limited number of programs. Includes maps to studios where shows are taping.