Metamorphosis (Star Trek: The Original Series)
9th episode of the second season of Star Trek: The Original Series
"Metamorphosis" is the ninth episode of the second season of the American science fiction television series Star Trek. Written by Gene L. Coon and directed by Ralph Senensky, it was first broadcast on November 10, 1967.
In the episode, a shuttle crew from the USS Enterprise encounters a man out of history and his mysterious alien companion. It is the franchise's first mention, and first appearance, of Zefram Cochrane.
Plot
Assistant Federation Commissioner Nancy Hedford is being ferried by shuttlecraft to the USS Enterprise to be treated for Sukaro's disease – a potentially fatal condition – before resuming a peacemaking mission. A glowing energy field appears in the shuttlecraft's path, and pulls it down to a nearby planetoid with an Earth-type atmosphere. All communications are blocked, and the shuttlecraft is totally inoperable.
Soon afterward, a young man calling himself Cochrane appears. He tells the party that he has been marooned on the planet for years and that a damping field is preventing their systems from working. Cochrane takes them to a shelter built from material salvaged from his crashed ship.
The public source identifies “Metamorphosis (Star Trek: The Original Series)” as 9th episode of the second season of Star Trek: The Original Series. This brief keeps that definition visible, then builds a research path around Metamorphosis, Star and Trek.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 30, 2026. The linked authority identifier is Q3487393. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 1967.
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This entry incorporates text from “Metamorphosis (Star Trek: The Original Series)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.