Klaatu barada nikto
Iconic phrase from The Day the Earth Stood Still

Summary
"Klaatu barada nikto" is a phrase that originated in the 1951 science fiction film The Day the Earth Stood Still. The humanoid alien protagonist of the film, Klaatu, instructs Helen Benson that if any harm befalls him, she must say the phrase to the robot Gort.
Originally created by 213.129.10.190
12/29/2004, 11:32:57 AM
Modified
5/18/2026, 1:26:56 PM
Recent revisions
/* Popular culture references */ as usual - removed as per hidden text, nothing to show that these instances are notable above existing - which does *not* make them notable.
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/* Popular culture references */Added Tron reference
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/* Interpretation */
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rm non-[[WP:RS|RS]]
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Reverted 1 edit by [[Special:Contributions/~2026-85183-8|~2026-85183-8]] ([[User talk:~2026-85183-8|talk]])
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Undid revision [[Special:Diff/1327391980|1327391980]] by [[Special:Contributions/Pdm22|Pdm22]] ([[User talk:Pdm22|talk]]) Please check talk pages & archives.
New mention of the phrase in the classic 1982 movie Tron.
Undid revision [[Special:Diff/1322936418|1322936418]] by [[Special:Contributions/~2025-34604-57|~2025-34604-57]] ([[User talk:~2025-34604-57|talk]]) no reliable third party reference to show notability.
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Reverted 1 edit by [[Special:Contributions/~2025-34388-54|~2025-34388-54]] ([[User talk:~2025-34388-54|talk]]): Unsourced
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/* Popular culture references */ Expanding hidden comment so maybe people will actually look at it.
Undid revision [[Special:Diff/1321019818|1321019818]] by [[Special:Contributions/~2025-32040-24|~2025-32040-24]] ([[User talk:~2025-32040-24|talk]]) same old same old. Read the hidden notes.
/* Popular culture references */Added content