This documentary traces Jacques Tati's rise from the Parisian Music-Hall stage to his Oscar winning films of the 1950s, the documentary then explains how Tati bet all he had on his fourth film 'PlayTime' and how this mammoth film ended prematurely the career of a genius while also giving the world one of the most beautiful films ever made.

Louis Theroux travels to San Francisco where a group of pioneering medical professionals help children who say they were born in the wrong body transition from boy to girl or girl to boy at ever younger ages.