Quotes About Tribbles

David Gerrold never wrote an episode that Gene thought was shootable … then how do we account for something titled "The Trouble with Tribbles"?)

The tribbles were really made by a fellow named Wah Chang—he did much of STAR TREK's special effects work, but he's also well known for his work in films like Jack the Giant Killer, The Seven Faces of Dr. Lao, and other fantasies requiring unusual effects or animation.