Host Dick Cavett welcomes Dr. Ferdie Pacheco, Lucie Arnaz, Carol Burnett, and Lucille Ball.Host Dick Cavett welcomes Dr. Ferdie Pacheco, Lucie Arnaz, Carol Burnett, and Lucille Ball.Host Dick Cavett welcomes Dr. Ferdie Pacheco, Lucie Arnaz, Carol Burnett, and Lucille Ball.