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R.U.R. (lost BBC television adaptations of science-fiction play; 1938; 1948)

« Photo from the 1938 television adaptation.

R.U.R. (Rossumovi Univerzální Roboti) is a science-fiction drama play written by Karel Čapek. A Czech Republic work established in 1920, the play is historic for inventing the English word "robot". In 1938, the BBC adapted the play to television, which is considered by some sources as the earliest science-fiction television program. The BBC also broadcast another adaptation of the play in 1948.

The Hobbit (lost high-frame rate versions of high fantasy adventure film trilogy based on novel; 2012-2014)

« Cover of The Hobbit: The Motion Picture Trilogy.

The Hobbit is a trilogy of high fantasy adventure films based on the J. R. R. Tolkien novel of the same name., In an effort to improve the film viewing experience, Jackson filmed the entire trilogy in 48 frames per second (FPS), double the industry standard of 24 FPS. Despite his efforts the high-frame-rate (HFR) versions never received a home media release and remain lost.

The Beatles live at Stowe School, Buckinghamshire (found recording of British rock band concert; 1963)

« The Beatles performing live at Stowe School. 4th April 1963.

The British rock band The Beatles played a rare engagement at the Stowe School in Buckinghamshire on 4th April 1963. The show was held at in the prestigious boy school's auditorium, Roxburgh Hall in front of the student audience., On 4th April 2023, 60 years after the performance, BBC News reported that a tape of the concert had been unearthed.

Ōkōchi Gengorō Ikka (lost build of unreleased Nintendo 64 simulation game; late 1990s)

« Title screen.

but it became generally known on April 12, 2007, when Game Tanteidan, a used retro game store in Nihonbashi, Osaka, introduced a prototype ROM of the game on its blog, As of 2023, the game has not surfaced online., Ōkōchi Gengorō Ikka (大河内源五郎一家, lit. "Ōkōchi Gengorō Family" or "Gengoichi Shimoda") is an unreleased Nintendo 64 simulation game. During the N64 era, there was no information about this game

The Chamber (partially lost Fox game show; 2002)

« Title card of the series.

The Chamber was an American game show, designed to be a more extreme, "visceral" game show in the vein of programs like Fear Factor, and featured contestants being asked questions while strapped into a torture chamber which subjected them to extremely high or extremely low temperatures alongside other environmental conditions such as simulated earthquakes and high winds.

Versailles no Bara "Moetsukita Bara no Shouzou" (lost alternate final episode of anime series; 1980)

« Series poster.

Versailles no Bara, or more commonly called by its English title, The Rose of Versailles, is an anime series, An original episode entitled "Moetsukita Bara no Shouzou" (transl. "Portrait of a Burning Rose") was made and aired once, and was never broadcasted again nor included in any home media release of the series, In multiple regions of Japan, the series was canceled after its 23rd episode

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