UPDATE ...31.03.1968 Dame Sybil Thorndike 86! born 1882! stole the show apparently! (Added this to the running list provided by Mark previously) ...
Series 4
08 Oct 1967: Juliet Prowse, Mary Tyler Moore, Robert Morley
15 Oct 1967: Jerry Shane, Bruce Lacey, Jill Bruce, Rosa Bosom, James Coburn, Nyree Dawn Porter, Scott Walker sang “When Joanna Loved Me”
22 Oct 1967: Anita Ekberg, Linda Thorson, Jack Dempsey, Fyfe Robertson
29 Oct 1967: John Walker (sang "If I Promise")
05 Nov 1967: Brenda Lee, Marcel Marceau, Terry-Thomas, Julie Newmar
12 Nov 1967 Frank Ifield
19 Nov 1967: Frankie Vaughan
26 Nov 1967: Sandie Shaw
03 Dec 1967: Toby Robins,Tom Jones “I’m Coming Home” (this was brought forward one week source: The NME)
10 Dec 1967: Aimi MacDonald, Eric Burdon and the Animals
17 Dec 1967: Duncan Sandys, Peter Cook, Dudley Moore, Esther and Abi Ofarim (The sang Cinderella Rockefella) Dora Bryan
24 Dec 1967: Barry Humphries, Norman Wisdom, Bruce Forsyth (audio exists)
07 Jan 1968: Muhammad Ali, Shirley Conran, Harry H. Corbett, The High Windows, David Susskind (this episode exists)
14 Jan 1968: Tony Hancock, Engelbert Humperdinck
21 Jan 1968: Artie Shaw
28 Jan 1968: Phyllis Diller, Derek Nimmo, Christopher Lee, Carmen McRae (audio exists)
04 Feb 1968: Mick Jagger (confirmed on this website)
www.timeisonourside.com/chron1968.html11 Feb 1968: Nino Ferrer (according to the NME)
18 Feb 1968: Lulu’s appearance was cancelled
25 Feb 1968: Max Bygraves, Harry Secombe, Mary Quant (audio exists)
03 Mar 1968: Gloria Swanson, Ingrid Pitt, Dee Wells, Edith Evans, AJP Taylor, Malcom Roberts (this episode exists)
10 Mar 1968: Sheela Munro, Buffy Sainte-Marie
24 Mar 1968: Adam Faith, Liberace, Rita Hayworth
31 Mar 1968: Anita Harris, Dame Sybil Thorndike 86! born 1882! stole the show apparently!
07 Apr 1968: Lulu, Joe Frazier, Lionel Stander, Spike Milligan (possibly The Four Seasons?) mentioned by the NME who said they were booked for that show
14 Apr 1968: Englebert Humperdinck, Al Jolson Jr
21 Apr 1968: Sandie Shaw
28 Apr 1968: Francoise Hardy, Bill Haley and the Comets (confirmed by the NME)
05 May 1968: The Bee Gees (?)
12 May 1968: Don Partridge sang "Blue Eyes"
19 May 1968: Sarolta Zalatnay
26 May 1968 John Rowles
02 Jun 1968: Carol Channing
(This edition of the show was filmed in New York) according to the NME09 Jun 1968
(This edition of the show was filmed in New York) according to the NMESeries 5
26 Sep 1968: Zsa Zsa Gabor, the cast of ‘Hair’
03 Oct 1968: Colin Reid (journalist)
17 Oct 1968: Cleo Laine, Eartha Kitt, Rita Webb, Jo Grimond, Manfred Mann, Giles, Giles and Fripp performed ‘Elephant Song’ on the show on 17 October 1968.
31 Oct 1968: Valentine Dyall, Sheila Hancock, the Crazy World of Arthur Brown
14 Nov 1968: Vincent Price, Julie Driscoll, Inez and Charlie Foxx, Chic Murray (The sound failed so Julie Driscoll couldn't sing "Road to Cairo" she had to speak to Eamonn instead
21 Nov 1968: Derek Nimmo, Joe Mercer, Spike Milligan, The Casuals, Julie Rogers
28 Nov 1968: Ernie Wise, Henry Higgins (bullfighter), Beryl Reid, Herman’s Hermits, Heath Hampstead
05 Dec 1968: Sandie Shaw, Sally Trench (author)
12 Dec 1968: Gilbert Becaud, Sally Ann Howes, Sean Connery, Patrick Cargill
26 Dec 1968: Kenny Ball, Danny La Rue, Roy Hudd, Dickie Henderson
02 Jan 1969: Roy Castle, Roy Budd, Patrick Wymark
09 Jan 1969: Emil Dean Zoghby, Zsa Zsa Gabor, Peter Cook, AJP Taylor
16 Jan 1969: Joe Brown
23 Jan 1969: Brenda Arnau, The Scaffold, Veronica Lake, Tommy Trinder, Earl of Arran, Arthur Dooley
11 Feb 1969: Lilian Bilocca (fisheries campaigner)
27 Feb 1969: Cilla Black, Roger Moore, Rev. David Sheppard, Betty Grable
06 Mar 1969: Diana Dors, James Fox, Dame Ruth Railton, Orson Bean, We 4
13 Mar 1969: Mary Quant, David Bailey, Judy Carne, Peter Maloney, Godfrey Cambridge (comedian)
20 Mar 1969: Wilfrid Hyde-White, Henry Cooper
27 Mar 1969: Leonard Sachs, Michael Bentine, Hattie Jacques, Edward Woodward. The Kinks performed 'Plastic Man'.
03 Apr 1969: Jack Benny, Rolf Harris, John Lennon and Yoko Ono, Yehudi Menuhin, Gaynor Jones (a 10 minute audio recording of the John and Yoko interview exists)
Comedian John Paul Joans and Czech singer Yvonne Prenosilova appeared on the show sometime in November 1968
We haven’t got precise dates for the following:
c. Dec 1967: Pamela Mason (actress)
c. Oct 1967: Dejan’s Olympia Brass Band (from New Orleans)
c. Jan 1968: Susan Hampshire, Jimmy Edwards, Lord (Ted) Hill (possibly 21 Jan 1968)
Apr 1968: Godfrey Cambridge (either 21 Apr or 28 Apr 1968)