Obsession
Star Trek Season 2

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Episode Info

When Captain Kirk encounters an old nemesis, his personal need to enact revenge threatens not only his own life but the safety of the Enterprise in this episode of the landmark 1960s science-fiction series. When several Enterprise crew members exploring the surface of a planet are attacked by a deadly alien resembling a gaseous cloud, resulting in a number of deaths, Kirk recognizes the extraterrestrial as an enemy from his past. Tormented by the fact that he had failed to destroy the alien during their last encounter, when it had killed a number of his fellow crew members, Kirk becomes increasingly obsessed with the creature's destruction. Ignoring the advice of his fellow officers, a determined Kirk orders the Enterprise to pursue the cloud, hoping to force an ultimate confrontation in which he can finally emerge victorious.

Cast

William Shatner
as Captain James T. Kirk
Leonard Nimoy
as Mr. Spock
DeForest Kelley
as Dr. Leonard McCoy
Grace Lee Whitney
as Yeoman Janice Rand
James Doohan
as Engineer Montgomery Scott
Majel Barrett
as Nurse Christine Chapel
Walter Koenig
as Ensign Pavel Chekov
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Obsession Photos