The Star Trek Secret Hiding From The Very Start

At the time, the dynamic of spies versus officers among the Romulans felt very fresh, but now it seems like it may have been hiding right in front of fans for decades. The Star Trek: The Original Series episode “Balance of Terror” introduced us to the Romulans for the first time, and there is an immediate tension between the Romulan Commander and Decius, one of his subordinates. After the Commander demotes Decius, the centurion warns his commanding officer that Decius “has friends…And friends of his kind mean power.”