Opportunity Knocks - 15 June 1970 - 7 December 1970
1 - Episode 1
Air Date: June 15, 1970
2 - Episode 2
Air Date: June 22, 1970
The Black Abbots, Elizabeth Gale, The Gaytones, Meurig Davies, Benny Yorke
3 - Episode 3
Air Date: June 29, 1970
The Christine Lee Set, Desmond Brown, The Four Hardings, Carl Manning, Joy and Jennifer
4 - Episode 4
Air Date: July 6, 1970
Martin Harvey and the Munix, Gordon Traynor, The Musical Box, Eddie Flanagan, Lorelei Lee
5 - Episode 5
Air Date: July 13, 1970
Bob Sharples and his Orchestra, Jean Bennett, Yvonne Authers, The Reg Guest Trio, The Hornsey Operatic and Dramatic Society
6 - Japan Week Celebration Edition
Air Date: July 20, 1970
7 - Episode 7
Air Date: July 27, 1970
Scott and Ascot, Fred Reeves, The Earl of Mustard, Hazel Day, Teresa and Runji
8 - Episode 8
Air Date: August 3, 1970
Bob Sharples and his Orchestra, Helen Turner, Mud, Bryan Dover, Wally and Jo Binch
9 - Episode 9
Air Date: August 10, 1970
Lesley King, Anna Desti, Billy Watson, The Stane Street Jazzmen, The Kathleen Howell Trio
10 - Episode 10
Air Date: August 17, 1970
The Dabrowa Singers, The D. J. Duo, Micky and Karin, Johnny Franks, Rosalind
11 - Episode 11
Air Date: August 24, 1970
Melek and Said with Hasan, Trevor Hickson, The Star-Lites, The Stag Party, Eric Fields
12 - Episode 12
Air Date: August 31, 1970
13 - All Winners Show
Air Date: September 7, 1970
14 - Episode 14
Air Date: September 14, 1970
15 - Episode 15
Air Date: September 21, 1970
Hughie Green, Bob Sharples and his Orchestra, Karen, Mike Parkin and Ann, Two's Company
16 - Episode 16
Air Date: September 28, 1970
Isobelle Bond, The Brymbo Male Voice Choir, Julie, Deborah and Lynn, Johnnie Carroll, The Gun Players
17 - Episode 17
Air Date: October 5, 1970
Bob Sharples and his Orchestra, The Royal Marine Un-Armed Combat Display Team, The New Workd, Elaine Lesley, Dezi Arnold
18 - Episode 18
Air Date: October 12, 1970
Freddie Eldrett, Tony Grant, Linda Grant, The Steelers Family Foursome, The Huddersfield and District Gilbert and Sullivan Society
19 - Episode 19
Air Date: October 19, 1970
The Three Graces, Jill Bennett, The Pearce Brothers, The Pleasure Men, Frank Holder
20 - Episode 20
Air Date: October 26, 1970
Lorraine Cowley, The Duo Lopez, Jean Jones, Peters and Dell, The Roundabout
21 - Episode 21
Air Date: November 2, 1970
Strutt and Knowles, The Ernie Tomasso Family, Lynda Clarke, Kenneth Ormston, The Ballet Montparnasse
22 - Episode 22
Air Date: November 9, 1970
23 - Episode 23
Air Date: November 16, 1970
Bob Sharples and his Orchestra, Marie Peters and Michael Knights, Dick Burge, The Geoff Laycock Sound, May McKie and Kay Alexander
24 - Episode 24
Air Date: November 23, 1970
25 - Episode 25
Air Date: November 30, 1970
The Harlequinade Ballet, Phil 'Heavyweight' Marlow and The Big Charles Outfit, Heather Corbett, Brenda Scott and The Mike Alexander Trio, Sid Francis
26 - Episode 26
Air Date: December 7, 1970