1966

I've Got a Secret is seen Mondays at 8:00pm through September 5.
Starting September 12, the show is seen Mondays at 10:30pm and is broadcast in color.
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Ep Date Special Guest Panel Notes
630 January 3 Hugh O'Brien Betsy, Bill, Bess, Henry
631 January 10 The King Sisters Betsy, Bill, Bess, Henry
632 January 17 Celebrity Relatives Betsy, Bill, Bess, Henry
633 January 24 Frank Gorshin Betsy, Bill, Bess, Henry
634 January 31 Carol Burnett Betsy, Bill, Bess, Henry
635 February 7 Robert Morse Betsy, Bill, Bess, Henry American hockey player Tom Williams
636 February 14 Phyllis Diller Betsy, Arthur Godfrey, Bess, Henry Songwriter Harry Ruby
637 February 21 John Daly Betsy, Arthur Godfrey, Bess, Phyllis Diller Boxer Henry Armstrong.  Henry Morgan arrives late.
638 February 28 Vivian Vance Betsy, Bill, Jayne Meadows, Henry
639 March 7 Edgar Buchanan Betsy, Bill, Lee Remick, Henry
640 March 14 TTTT Panel Betsy, Bill, Bess, Henry Tom Poston, Peggy Cass, Orson Bean, Kitty Carlisle
641 March 21 Bob Holiday Betsy, Bill, Bess, Henry Inventor Hans Mauch
642 March 28 Wilt Chamberlain Jayne Meadows, Bill, Bess, Henry
643 April 4 Phil Ford & Mimi Hines Jayne Meadows, Bill, Bess, Henry Fashion designer Paco Rabanne
644 April 11 George Segal Betsy, Bill, Bess, Henry
645 April 18 Gretchen Wyler Betsy, Bill, Bess, Henry
646 April 25 Joe Garagiola Betsy, Bill, Bess, Henry
647 May 2 Sam Levenson Betsy, Bill, Bess, Henry
648 May 9 E.G. Marshall Betsy, Bill, Bess, Henry
649 May 16 Sheila MacRae Betsy, Bill, Bess, Henry
650 May 23 Hugh O'Brien Betsy, Bill, Bess, Henry
651 May 30 Shelley Winters Betsy, Bill, Bess, Henry Jazz musicians Sol Yaged, Terry Gibbs
652 June 6 Arlene Francis Betsy, Bill, Bess, Henry
653 June 13 Robert Goulet Betsy, Bill, Bess, Henry Fast Draw Pistol Champions Bob and Merrill Graham
654 June 20 Sam Levenson Betsy, Bill, Bess, Henry Arthur Godfrey, Senator Milward Simpson
X June 27 RERUN
X July 4 RERUN
X July 11 RERUN
X July 18 RERUN
X July 25 RERUN
X August 1 RERUN
X August 8 RERUN
X August 15 RERUN
X August 22 RERUN
X August 29 RERUN
655 September 5 Garry Moore Betsy, Bill, Bess, Henry Pool player Jean Balukas
656 September 12 Arthur Godfrey Betsy, Bill, Bess, Henry Series moves to Mondays at 10:30pm and is now in color.
657 September 19 Edie Adams Betsy, Bill, Bess, Henry
658 September 26 Soupy Sales Betsy, Bill, Bess, Henry
659 October 3 Buddy Hackett Betsy, Bill, Bess, Henry
660 October 10 John Gary Betsy, Bill, Bess, Henry
661 October 17 Lucille Ball Betsy, Bill, Bess, Henry Jazz musician Rufus Harley
662 October 24 Jack E Leonard Betsy, Bill, Bess, Henry
X October 31 NO SHOW NFL Football
663 November 7 Walter Cronkite Betsy, Bill, Bess, Henry
664 November 14 Arlene Dahl Betsy, Bill, Bess, Henry Football placekicker Bert Rechichar
665 November 21 Rossano Brazzi Betsy, Bill, Bess, Henry Congressman Kenneth J Grey
666 November 28 Walter Pidgeon Betsy, Bill, Bess, Henry
667 December 5 Bud Collyer Betsy, Bill, Bess, Henry The "Kit Kat Band" from Broadway's Cabaret
668 December 12 Victor Borge Betsy, Bill, Bess, Henry Musicians Bruce Haack, Ted Pandel
669 December 19 Christmas Show Betsy, Bill, Bess, Henry Pianists The Marlowe Brothers
670 December 26 Paul Anka Betsy, Bill, Bess, Henry Sahara Acrobatic Troupe