Episode 4 features a bevy of funny men and women including: Thora Hird, Victoria Wood (pictured) and Alan Bennett.

Alan Bennett, Woody Allen, (pictured) also feature.

Billy Connolly (pictured), Norman Wisdom and George Formby are also in the programme.

Plus Peter O’Toole’s search for Hitler, Paul Simon’s musical journey through Africa; making Clint Eastwood’s day and joining Sting on the mat for a little light yoga.

This episode also features Pavarotti at 60, at his holiday home and meeting his parents; Bryn Terfel’s secret passion for rock’n’roll – and Melvyn Bragg finding himself out of his depth in a dinner suit with Barbara Cartland.

Norman Wisdom also features.

And Peter O'Toole

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