Watch Free Solo

A cyclist tries doping and stumbles into the Russian state programme; his source flees to LA.

Eight hours on Simpson, race and Los Angeles; the documentary that won an Oscar as a film.

A palomino called Nautical goes from a New Mexico ranch to the Olympic show-jumping team.

A season on the rodeo circuit, following a world champion and the young rider chasing him.

A diver visits the same octopus every day for a year in a South African kelp forest.

Two South Africans hunt for Rodriguez, a Detroit singer they think is dead.

Philippe Petit walks a wire between the Twin Towers in 1974, told as a heist.

Robert McNamara's eleven lessons on Vietnam and Cuba; Errol Morris's Interrotron interview.