On This Day 28 January 1974 —— ( years ago). Lena makes her fourth appearance on Opportunity Knocks after winning the viewers votes for the third time. 28 January 2012 —— ( years ago). The TVTimes contains a short preview of The Talent Show Story features a mention of Lena’s appearance on Opportunity Knocks, and contains a small colour photograph of her. —— ( years ago). Episode 4 of the Talent Show Story was broadcast. Comments