Escaping from three Romulan ships, the Enterprise passes through a mysterious energy cloud. Shortly thereafter, bizarre occurrences begin plaguing the crew, such as dribble glasses and rubber forks. When Kirk hears a mysterious laugh coming from the computer, Mr. Spock realizes that the ship has picked up a prankster, one who’s jokes are becoming more and more dangerous.

BLU-RAY SCREENCAPS BEHIND THE SCENES CREDITS GUEST CHARACTERS QUOTES SYNOPSIS