Mastermind 1973 Episode 16 Episode 16 ( Air Date 1973-12-20 ) Genre Talk category. Overview "Introduced by Magnus Magnusson The four best runners-up from the national heats are given a second chance in this match to obtain a place in the final. They are John Colman from North West, Michael York from North East, Patricia Owen from London and Daniel Appleby from South East.".