Comment Re:3-2-1 ACTIVATE (Score 1) 332
You remember correctly - ST TOS episode 23 - "A Taste of Armageddon"
linky to episode on CBS (flash req'd)
http://www.cbs.com/classics/star_trek/video/video.php?cid=619493214&pid=d4jta0HHzzIp1bwgQ10osYAyZ03XIReJ&play=true&cc=0