Guest Maggie Smith gives Carol a musical lesson in talking with a Cockney accent, and then appears in "The Family" sketch as a teacher concerned about Bubba, the academically challenged son of Eunice and Ed. In other skits, a consumer protection official doesn't notice that his own kitchen is crumbling around him; and Tim as the world's oldest living doctor, attempts to make a house call. The big "Show Biz" finale includes such tunes as "Comedy Tonight," "Be a Clown," "Let Met Entertain You" and "There's No Business Like Show Business." (thetvdb.com)