Opportunity Knocks 15 March 1971 - 6 September 1971: Episode Guide & Ratings

The Rickmansworth Players, Bonnie Langford, Alan Roper, Peggy Wright, Mike Hayden

Dawson Chance, Tyne Tees School of Karate Demonstration Team, Belmont Consort, Kenet and Jani, The Vocalaires

Tommy Smith, The Shirley Dunton Dancers, Andrew Dow, Alison Shaw, Rivers Invitation

Linda McMurray, The Rival Brothers, Little and Large, Peter Hopewell, Lorna Rogers and Michael Ho

Tony and Colin, Tina Townsley, Gweneth Fleetwood, The Jack Strops Quartet, Stuart Atkin's Orchestra

Shag Connor's Carrot Crunchers, Christine & Janet Gott, Bob Martell, Bhangra Dance Group, Ken Shaw

The Keddellos, Paddy Cassidy, Tamarpand Paul, The Brian Morris Singers, Kayjay Dancers

Bob Sharples and his Orchestra, The Victoria Street Girls Pipe Band, Robert Ormerod, The New City Sound, Dave Arnold

The Dee-Lights, Len Austin, Caroline MacBean, Lorenzo Dale, Johnny More

The Antonys, Leah Bell, Thynglchyme, Jimmy Hampson, Gloria Sheaves Dance Troupe

Duo Arbalists, Kingston Operatic Society, Bill Moores, David Williams, Janet Rees

Jock Samson, Andree Leroy Dancers, Stuart Gillies, Gloria Speed, The James Boys

Simplicity, Shirley Day, Britton's School Band, Los Incas, Robert Grigor

The Frank Flynn Trio, Jean Thorley Davies, Les Dennis, The Sheila Tozer Dancers, The Loon Street Gas Band

Hughie Green, Bob Sharples and his Orchestra, Stephanie Ryton

Richard Giles, The Kaystones, Sally Kelly, Roy Howley, The Melody Girls Choir

Michel Henry and Carol-Anne, Susan Black, The New Sounds Crusaders Steel Band, Kim Sutherland, Brian Chalker's New Frontier

Jimmy Shand Junior, Mo Simons, Loretta, Newgate Village, Jenny Marvin