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More Tribbles, More Troubles 

Cyrano Jones returns, infesting the Enterprise with tribbles that now grow to monstrous size.


Hal Sutherland


Gene Roddenberry (created by), David Gerrold | 1 more credit »




Episode complete credited cast:
William Shatner ... Capt. Kirk (voice)
Leonard Nimoy ... Mr. Spock (voice)
DeForest Kelley ... Dr. McCoy (voice)
George Takei ... Sulu (voice)
Nichelle Nichols ... Uhura (voice)
Majel Barrett ... Nurse Christine Chapel (voice) (credit only)
James Doohan ... Scott / Koloth / Korax (voice)


En route to Sherman's Planet, the Enterprise encounters Cyrano Jones, as well as the tribbles, which haver been engineered grow to monstrous size. with two robot ships stuffed with quintotriticale, Kirk veers off course to protect Cyrano Jones when a Kilingon ship fires upon his vessel. A skirmish follows, draining the Klingon ship as its new weapon immobilizes the Enterprise. Cyrano carries a tribble predator and a collection of genetically altered "safe" tribbles. The new tribbles don't breed. They just grow fat and large. Written by statmanjeff

Plot Summary | Add Synopsis


TV-PG | See all certifications »

Did You Know?


This episode had been proposed for the original live action series. But producer Fred Freiberger disliked Star Trek: The Original Series: The Trouble with Tribbles (1967) and did not want another "Tribble" episode. See more »


When the Klingon weapon fails (trying to stop three ships at once), a subsequent bridge scene has the blinking lights on Uhura's console briefly appear *over* her face. See more »


[last lines]
Captain James T. Kirk: Someday I'll learn.
Scotty: Aye, Captain, but you've got to admit, if we've got to have tribbles, it's best if all our tribbles are little ones.
See more »

User Reviews

Another lousy episode...but with tribbles.
9 April 2015 | by MartinHaferSee all my reviews

I realize that ANY episode in the Trek shows that features tribbles will be adored by most die-hard Trekkies. I guess my love of decent animation and good writing exceed my love for Star Trek and I'd consign this to the category for fans only!

When the show begins, the Enterprise is on some mission about 'quintrotritacle'--why it wasn't called 'quatrotriticale' like it was in "The Trouble With Tribbles" is beyond me. Along the way, they come upon a Klingon ship trying to destroy a shuttle. The Enterprise unwisely intervenes and finds the ship piloted by Cyrano Jones (Stanley Adams once again) and it's stuffed with sterilized tribbles. What follows is pretty much what you'd expect...and is totally unnecessary. Mildly interesting at best and filled with giant PINK tribbles.

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Release Date:

6 October 1973 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:



Color | Color (technicolor)

Aspect Ratio:

1.33 : 1
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