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Star Trek: The Animated Series: How Sharper Than a Serpent's Tooth?

Backtracking a mysterious probe, the Enterprise confronts a ship in the form of a giant feathered serpent. Its captain, Kukulkan, insists on putting Kirk and others through a test to determine if they have grown sufficiently to receive his wisdom.

Episode Info  

Episode number: 2x5
Production Number: 22022
Airdate: Saturday October 05th, 1974

Guest Stars
James DoohanJames Doohan
voiced Ensign Dawson Walking Bear, Kukulkan
Majel BarrettMajel Barrett
voiced Female Yeoman
Main Cast
William ShatnerWilliam Shatner
voiced Captain James Tiberius Kirk
Leonard NimoyLeonard Nimoy
voiced Commander Spock
DeForest KelleyDeForest Kelley
voiced Dr. Leonard Horatio "Bones" McCoy
James DoohanJames Doohan
voiced Lt. Cmdr. Montgomery "Scotty" Scott, Lt. Arex
Nichelle NicholsNichelle Nichols
voiced Lt. Uhura


The Enterprise is tracing an unknown alien space probe that scanned the Federation, going back along its projected route. The probe self-destructed before it could be captured. As they start to lose the trace, they reduce speed and detect a vessel at extreme range, coming in on the same course as the probe. Kirk has the acting helmsman, Ensign Walking Bear, reduce speed. As it approaches, they determine it is twice the Enterprise's size, made of crystalline ceramic, and surrounded by a unique energy field. The vessel attacks and the Enterprise loses speed as they are surrounded by a globular force field, flexible enough to absorb any force...

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Episode Quotes
Kirk: If children are made totally dependent on the teachers, they'll never be anything but children.

Spock: Vulcan was visited by alien beings. They left much wiser.

Other Episode Crew

CreatorGene Roddenberry
ProducerLou Scheimer  |  Norm Prescott
Associate ProducerD.C. Fontana
Story EditorD.C. Fontana
Art DirectorDon Christensen
Supervising DirectorHal Sutherland
Production ManagerRock Benedetto
Executive ConsultantGene Roddenberry
Special EffectsReuben Timmins
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