Teenoso third favourite for the Lingfield Derby Trial in May. He took the lead five furlongs from the finish and stayed on well to win by three lengths from Shearwalk. When Lester Piggott, who had won the race eight times previously, elected to ride Teenoso in the Derby, the colt was strongly supported in the betting and started 9/2 favourite in a field of twenty-one runners. Racing on the heaviest ground seen at Epsom for many years, Teenoso was among the leaders from the start. Piggott sent the colt into the lead early in the straight and he was never in
Theatrical (horse) Gowran Park in October. Timeform commented "will stay 1¼ miles; sure to go on to much better things." Racing at age three on the turf, under jockey Michael Kinane he won the Ballysax Stakes and the Derrinstown Stud Derby Trial. In The Derby he was ridden by Lester Piggott and finished seventh behind Slip Anchor. He was re-united with Kinane for the Irish Sweeps Derby in which he finished second to Law Society, but then ran unplaced behind Commanche Run in the Irish Champion Stakes. Late in the year, he was sent to the United States to compete in the