 The series was still popular with audiences, but Jerry Mathers wanted to retire from acting at the end of the sixth year to attend regular high school.As a result, "Leave It To Beaver" ended its network run on June 20, 1963.The series finale, "Family Scrapbook", was directed by Hugh Beaumont, written by Connelly and Mosher, and is regarded as being one of the first sitcom episodes written expressly as a series finale.