The UK Channel Five documentary, "The Secret Life of Elizabeth I" (2006), was based on his book of the same title. It explored Doherty's theory that Elizabeth I may have had a secret love child. The documentary received mixed reviews. The Daily Mail summarised the evidence, concluding "the truth about Elizabeth's romantic life and possible parenthood will continue to fascinate generations to come."
He has also recently appeared in a National Geographic Channel documentary entitled: "Secrets of the Virgin Queen". The documentary examines some controversial theories as to why Elizabeth never married.(2011).
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