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* KeepCirculatingTheTapes: Only two full episodes are known to exist on video ([[https://www.youtube.com/watch?v=Giq7_4hm5l8 the pilot]] and [[https://www.youtube.com/watch?v=EWtbbnKcI-M #67]]), along with [[https://www.youtube.com/watch?v=xFVT-U4sSFc this bonus round attempt]], [[http://www.televisiontunes.com/Big_Showdown.html this opening from before the montage was added]] (audio only), [[https://www.youtube.com/watch?v=3Cxdvpwzygo an ABC promo]], the three $5,000 wins seen in the opening montage of #67, and [[https://www.youtube.com/watch?v=2NJAALKrOrA an audio recording of the]] GrandFinale.
* ScrewedByTheLawyers: It's likely the change in name between the pilot and series was because [[Creator/MerrillHeatter Heatter-Quigley]] had produced a short-lived Creator/{{NBC}} game called ''Showdown'' in 1966.
* ThrowItIn: "The Big Falldown" (see the YMMV tab), according to Peck. It likely also explains why the episode survived.
* WhatCouldHaveBeen: Apparently, Ron Greenberg tried to revive the show in the early 1990s after he had revived ''The Who, What or Where Game'' as ''Series/TheChallengers'' with Dick Clark, but no one was interested. He tried again in the early 2000s- still no takers.
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