The Trek Files: A Roddenberry Star Trek Podcast
Secrecy around movies is paramount. In early 1978, the announcement for Star Trek: The Motion Picture had not yet been officially made, but one person close to the production had leaked insider information about the production. Studio executive Jeffrey Katzenberg stepped in with a politely worded, but unambiguous, memo to stop the leaks at their source.
Document and additional references: Star Trek II memo - January 19, 1978
The Trek Files Season 12 on Memory Alpha
All episodes and documents: The Trek Files on Memory Alpha
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