TV Guide for Now Tuesday 26 in Sky Documentaries

David's first encounter with Muhammad Ali led to an unlikely lifelong friendship that tracked the boxer from his lowest lows to his biggest win.

The rise and fall of Australia's most notorious cult - The Family. In 1987 a teenage girl escapes from a lakeside compound, triggering a police raid on the property to rescue her siblings.

The rescued children struggle to find a sense of normality and the cult leader is tracked down by detectives when she goes on the run.

An insider's testimony reveals enough evidence to arrest Anne Hamilton-Byrne and her husband Bill. But it remains to be seen whether justice will be served.

Alex Gibney's documentary, based on Lawrence Wright's book, sheds light on the controversial religious movement, from its roots in the mind of founder L Ron Hubbard through to its rise in popularity in Hollywood and beyond. The film also profiles eight former members of the Church of Scientology, including Oscar-winning screenwriter and director Paul Haggis, who offer their perspective on the actions of the organisation's leaders past and present.

Film producer Robert Evans narrates this documentary chronicling the ups and downs of his extraordinary life. Among the topics covered are his big break into the movie industry, his failed marriage to Ali McGraw, his relationships with Grace Kelly and Ava Gardner, his descent into drug addiction, and his journey back to respectability. With contributions by friends and family, and including footage of a host of Hollywood legends.