instead of his usual red engineering tunic that he wore as transporter chief. However, Kirk repeatedly mispronounced his name in this episode as "Cowell". Robert J. Sawyer of TrekMovie.com felt the episode reminded him too much of other "mindless giant space thingy threatening the galaxy" episodes, but praised the interaction of McCoy and Spock. References External links "The Immunity Syndrome" Remastered version at TrekMovie.com Star Trek: The Original Series (season 2) episodes 1968 American television episodes Films scored by Sol Kaplan Television episodes directed by Joseph Pevney