The teen sex comedy Porky's hit the big screen on 11-13-81. That scene with Ms. Beulah Ballbuster in the principal's office, trying to identify the guys' private parts is a classic, so is the Lassie scene in the locker room but I couldn't post that one. LOL. Check out the full movie trailer below. CLICK HERE TO READ FILM CRITIC ROGER EBERT'S REVIEW FROM 1981.