Howie Mandel on “St. Elsewhere”

When standup comedian Howie Mandel auditioned for “St. Elsewhere,” he thought he was trying out for his dream gig: a sitcom. Little did he know he was about to get his big break on a hit medical drama.

The medical drama “St. Elsewhere” is featured on the Pioneers of Television: Doctors and Nurses episode, premiering Tuesday, April 22, 2014 at 8PM on PBS.