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[violet lightning]

My memory is somewhat dim on this, but I do remember Fantasy Island starting off originally as a TV movie or perhaps it was an extended pilot, where there is a mysterious host and his assistant, and guests from all walks of life visit the island...But, as time passes, each person begins to recall memories that suggest that each one has died. (natural causes, car wreck, murder), and the guests begin to wonder just where they really are. At the same time, guests are trying to contact the mainland and get off the island, but somehow they never succeed. (is it Hell?)
When it became a series, they kept the name, the island resort part, the guests and the host/assistant roles, but left out all the darker aspects.

(Maybe it wasn't called Fantasy Island",but it was the basis for the show, since the show followed soon after.)