Thirty-Third UK Story Arc

The starship Enterprise, apparently motionless, gleamed silver against the black velvet of its surroundings...

Summary
Klingons project the disembodied will of a Cereonian assassin, using a bio-scientific technique, onto the Enterprise, programmed to destroy the ship.

Memorable quotes
"I– I don't believe it!"

"It's true, Captain– the medical evidence says so!"
 * - Kirk and McCoy

"Great Jupiter!"
 * - Kirk

"Great Jupiter! Now he's got the skipper!"
 * - McCoy

Characters

 * Kirk and McCoy swear by "Great Jupiter".

Publishing history
None of the UK weekly stories had titles.
 * Part 1: Valiant & TV21 #57,
 * Part 2: Valiant & TV21 #58,
 * Part 3: Valiant & TV21 #59,
 * Part 4: Valiant & TV21 #60,
 * Part 5: Valiant & TV21 #61,
 * Part 6: Valiant & TV21 #62,
 * Part 7: Valiant & TV21 #63,

Regular cast

 * Captain James T. Kirk
 * Spock
 * Hikaru Sulu
 * Nyota Uhura
 * Leonard McCoy

Other characters

 * Connors, Enterprise crewman
 * Dorman, Enterprise crewman
 * Peterson, Enterprise crewman
 * Sorkon, Klingon commander