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The Trouble with Tribbles 

To protect a space station with a vital grain shipment, Kirk must deal with Federation bureaucrats, a Klingon battle cruiser and a peddler who sells furry, purring, hungry little creatures as pets.


Joseph Pevney


Gene Roddenberry (created by), David Gerrold




Episode cast overview, first billed only:
William Shatner ... Capt. Kirk
Leonard Nimoy ... Mr. Spock
DeForest Kelley ... Dr. McCoy
William Schallert ... Nilz Baris
William Campbell ... Koloth
Stanley Adams ... Cyrano Jones
Whit Bissell ... Lurry
James Doohan ... Scott
Nichelle Nichols ... Uhura
Michael Pataki ... Korax
Edwin Reimers Edwin Reimers ... Admiral Fitzpatrick (as Ed Reimers)
Walter Koenig ... Chekov
Charlie Brill ... Arne Darvin
Paul Baxley Paul Baxley ... Ensign Freeman
David L. Ross ... Guard (as David Ross)


Having received a Priority One distress call from an outlying space station, the Enterprise arrives to find they have been summoned there by a Federation commissioner merely to protect a shipment of seeds meant to sow wheat on Sherman's planet. The planet is also coveted by the Klingons, who are taking shore leave at the station. The trouble arises with tribbles - small furry creatures that seem to multiply without end. However, their fortuitous presence reveals both a problem with the wheat and a traitor on the space station. Written by garykmcd

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Did You Know?


William Shatner recalled the great enjoyment all the cast had filming this episode. He noted, "The trouble we had with 'Tribbles' was [to] keep your straight face. It was just a lot of fun." See more »


During the famous bar brawl, one of the extras cannot keep a straight face and is clearly trying to keep from laughing out loud (you see him, wearing a blue shirt, when Scotty and Korax have each other by the collar). See more »


Scott: When are you gonna get off that milk diet, lad?
Chekov: This is vodka.
Scott: Where I come from, that's soda pop.
Scott: [raising his glass] Now this is a drink for a man.
Chekov: Scotch?
Scott: Aye.
Chekov: It was invented by a little old lady from Leningrad.
See more »

Alternate Versions

Special Enhanced version Digitally Remastered with new exterior shots and remade opening theme song See more »


Featured in Cinematic Excrement: Spock's Brain (2014) See more »

User Reviews

Grain, Klingons & Tribbles Oh My!
10 January 2017 | by Rainey-DawnSee all my reviews

Season 2, episode 15. The Enterprise receives a distress call from an outlying space station, Deep Space Station K7, which is nearby the planet, Sherman's Planet, which is a territorial dispute between the Klingon Empire and the Federation. Kirk beams down with an away crew only to find that it's was just a trick to get them there to help watch a vital grain shipment... it's the only grain from Earth that will grow on Sherman's Planet. The Klingons arrive to request a shore leave to K7, Kirk agrees but limits the number of Klingons that can be there at one time. In a cafe bar where the peddler Cyrano Jones is trying to sell his tribbles. Tribbles are a furry, purring creature that are cute balls of fur. Uhura is there and falls for the little cute creature and obtains one for a pet and brings it on the Enterprise. From there, the tribbles start multiplying like crazy on the ship. On K7, the territorial dispute continues, fist fighting occurs between Klingons and some of Kirk's crew members, tribbles are multiplying and the grain has been poisoned killing quite a number of tribbles. Who poisoned the grain and what does that have to do with the tribbles? Sometimes a an episode like this is needed to keep the fun flowing even though it's a bit silly - a refreshing change from the drama that is prevalent throughout the series. Seems all Star Trek fans want a tribble of their own. Those darn tribbles! I also love the fighting between Kirk's crew and the Klingons - that is a barrel of laughs. In fact, there is humor all though this episode - that is the appeal of it.


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29 December 1967 (USA) See more »

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