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.
Did You Know?
Due to the use of stock footage, the bridge is infested with tribbles in one scene and tribble-free in the next. See more
[the Enterprise, threatened by Klingons, also has a large amount of fat tribbles to contend with
[as to the Klingons
We could always throw tribbles at them.
Captain James T. Kirk
I thought Vulcans didn't have a sense of humor.
We don't, Captain.