Written by renowned novelist-screenwriter Richard Matheson (The Incredible Shrinking Man), the outstanding episode "The Enemy Within" proposes a transporter malfunction that results in Captain Kirk being divided into two versions of himself, one aggressive and brutal, the other sensitive and good. Essentially, the personality mix that makes Kirk an effective leader and balanced man is scattered like so many marbles, and the result is one captain running around mauling women and wreaking havoc while the other is frightened and indecisive. The production is very effectively done, and William Shatner's performance is among his most interesting.--Tom Keogh
This episode is a classic. It's the infamous "Good Kirk and Evil Kirk" episode. It's also noteworthy of bringing to light that this is where we get to see both sides of William Shatner's acting skills. His full on clipped voiced, ham eating finest, and his softer and dramatic skills. This single episode proves on both sides that Shatner is full of camp and skill and not just one or the other, but it does show that he has range. … more
Transporter mishap leaves Kirk divided between his passive and compassionate milquetoast self and an aggressive, angry and savage monster self all the while Enterprise crewmen are stranded on a rapidly freezing planet. Sluggish at times but gives the fans of Shatners camp antics and his serious dramatic side a chance to shine.
Human psychology takes center stage in this episode. A transporter malfunction creates a second Captain Kirk by siphoning out essential characteristics of his personality. Since only negative characteristics are placed in the copy, it is a feral creature, dominated by lust and other primitive emotions. The episode is well acted by all three of the principle characters, Shatner as the good Kirk appears properly drained, showing progressive weakness as he loses the will to command. However, his best … more