While tending bar to help finance his education, Bill Cosby found that his joking with the customers was consistently met with the suggestion that he try stand-up. It was during his nightclub circuit period that comedy writer Carl Reiner caugh his act in Pittsburgh and introduced him to star in the "I Spy" series. The series, about two spies disguised as tennis bums, was an instant smash. Cosby won numerous Emmys.