Tim Conway and Valerie Harper (S06E20)

S06E01 Jim Nabors S06E02 Carol Channing and Marty Feldman S06E03 Andy Griffith and Helen Reddy S06E04 Steve Lawrence and Paul Sand S06E05 Jack Gilford and Eydie Gorme S06E06 Joel Grey, "Mama" Cass Elliot S06E07 Pearl Bailey and Tim Conway S06E08 Peggy Lee, Anne Meara, and Jerry Stiller S06E09 Steve Lawrence and Lily Tomlin S06E10 John Davidson, Ruth Buzzi S06E11 Ray Charles and Vincent Price S06E12 Carl Reiner, Melba Moore S06E13 Anthony Newley and Bernadette Peters S06E14 Tim Conway and Steve Lawrence S06E15 Jack Cassidy and Tim Conway S06E16 Ruth Buzzi, Jack Gilford S06E17 Tim Conway, Kaye Ballard S06E18 Family Show without Guests S06E19 John Byner and Petula Clark S06E20 Tim Conway and Valerie Harper S06E21 Ken Berry and Eydie Gorme S06E22 David Hartman, Paula Kelly S06E23 William Conrad and Peggy Lee S06E24 Family Show without Guests