Carol and Lyle performing exercises; the Smothers Brothers doing a sketch, singing "John Henry" and joined by Carol on "Pretoria"; guest Richard Kiley sings "The Impossible Dream" (from "Man of La Mancha"); guest Diahann Carroll sings "The Rules of the Road" and "Where Am I Going?", and duets with Richard on "The Sweetest Sound I Never Heard"; and Carol and Diahann perform a haunted house production number.

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