Watch Mr Nobody Against Putin

The first of Frank Capra’s Why We Fight films, made to explain to conscripts what they were being sent into.

The Soviet account of the counter-offensive that stopped the Wehrmacht outside Moscow, re-cut for American cinemas.

Al Gore's slideshow on climate change; the cherry picker up the CO2 graph.

A Kentucky coal strike in 1973, filmed from the picket line; Barbara Kopple's Oscar.

The First Lady and delegate, from Hyde Park to the Universal Declaration of Human Rights.

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

Alexei Navalny phones his own poisoner; the documentary made before his death.

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