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A Chinese state-TV-produced documentary segment, with English subtitles, about virus sample collection in the field, including scientists collecting live bats. It was published in December 2019.

Valve's two-hour documentary for Half-Life 2's 20th anniversary, with team members discussing development, nearly running out of money, being hacked, the publisher lawsuit and the birth of Steam.

Modern Vintage Gamer explains how Eric Chahi built Another World on the Amiga 500, using 2D polygons, rotoscoping and clever techniques to run well on a stock 7MHz machine.

A Noclip Greatest Hits documentary on the legacy of RollerCoaster Tycoon, covering its original design, Chris Sawyer and the OpenRCT2 community that keeps it alive.

A Gaming Historian documentary on the creation of Super Mario Bros. 3, the hype around its release and why it is regarded as one of the greatest games. It runs about 50 minutes in three parts.

A tour of the historic WLW transmitter facility in Mason, Ohio, recorded at Hamvention 2013. It shows the surviving equipment from the 500,000 watt AM era, when WLW was the only US station at that power, and explains the history.

A 1966 NASA safety film teaching workers how to handle toxic rocket propellants such as hydrazine and nitrogen tetroxide. It explains the hazards of these corrosive, flammable and toxic chemicals and what to do after contamination.

A condensed film of Dick Proenneke's footage of building a cabin and living alone in the Alaskan wilderness, using hand tools and local materials. It draws on the 8mm films he shot himself.

A 1983 behind-the-scenes film about making the HBO 'Feature Presentation' starship logo sequence. It shows the handcrafted miniature city, motion-control cameras and practical effects.