The final part of this documentary on the nation-defining frontier conflicts delves into the difficult history of the Native Police, who from 1837 killed approximately 72,000 Indigenous Australians on behalf of the white settlers. Then, in an emotional sequence in Arrernte lands, film-maker Rachel Perkins brings her own family story full circle. Ellen E Jones Live at the Apollo 9.45pm, BBC Two There’s journalistic rigour to Theroux’s shadow play, too. A long, riveting segment looks at Doherty’s involvement in the death of Mark Blanco in 2006, in circumstances that are still disputed. Theroux sits there stony-faced as Doherty says things about what happened that night which, he himself admits, he may later regret.

Theroux said: “This is a story that has obsessed me for years. How could a serial killer kill multiple victims in 70s London and remain unknown? Louis also describes how he launches his podcast, Grounded, finally gets to the US to film a new Joe Exotic documentary and aims his sights on the latest incarnation of the far right in a world becoming radicalized by social media. Theroux the Keyhole is Louis at his insightful best, as he faces unforeseen new challenges and wonders why it took a pandemic for him to learn that what really matters in life is right in front of him.Louis travels to New York City to delve into the mind of one of America's most polarizing figures, famous whistleblower and activist Chelsea Manning. In 2010, Manning, a U.S. Army intelligence analyst, released the largest set of classified documents in U.S. history and was sentenced to 35 years in a military prison for her actions. Branded a traitor by some and a hero by others, Chelsea reveals what drove her to risk everything by making the documents public, whilst sharing details of her life now as a DJ and public speaker.

Marcel Theroux, a British-American, is the elder son of the American travel writer and novelist Paul Theroux and his then-wife Anne Castle. His younger brother is the journalist and television presenter Louis Theroux. Over the years, Louis has kept true to a way of working that is uniquely his own: by charming his subjects, he’s able to offer rounded portraits of the people involved in complex social issues and human dilemmas, while always resisting easy judgements. It’s another day at the aquarium in this lovely series, and we are introduced to the sea cucumber that breathes through his bottom, cow nose rays that won’t stop breeding and need a contraceptive and Friday the naughty sea turtle who continues to get into trouble. HR The Great British Bake Off 8pm, Channel 4 In 1994 fledgling journalist Louis Theroux was given a one-off gig on Michael Moore's TV Nation, presenting a segment on apocalyptic religious sects. Gawky, socially awkward and totally unqualified, his first reaction to this exciting opportunity was panic. But he'd always been drawn to off-beat characters, so maybe his enthusiasm would carry the day. Or, you know, maybe it wouldn't . . .

Among the murders Marcel’s documentary will look into are: Eve Stratford, 22, a Playboy Bunny, who aspired to be a famous model, was murdered at her home in Leyton, east London, on 18 March 1975. She was found with her throat slashed. Playboy Bunny Eve Stratford was murdered at her home in Leyton, East London (Photo: (C) Future Studios/ITV) LOUIS THEROUX IS A GENRE-DEFINING DOCUMENTARY PRESENTER BEST KNOWN FOR PRODUCING IMMERSIVE DOCUMENTARIES THAT EXPLORE THE CONTROVERSIAL AND COMPLEX ASPECTS OF THE HUMAN CONDITION. Lynda Farrow, 29, a croupier, was four months pregnant when she was found by her eight-year-old daughter with her throat slashed in the hallway of their home in Woodford, east London on 19 January 1979. Lynda Farrow was a croupier and was four months pregnant when she was murdered (Photo: (C) Future Studios/ITV) Come round to Louis Theroux's house where the much-loved TV documentary-maker, podcaster and bestselling author of Gotta Get Theroux This finds himself in unexpected danger...