Blindpassasjer

Which one of us is the murdered? (1x3)

Data emisji: Lis 10, 1978

The crew makes use of technology and logic to find the stowaway, but it is a hopeless situation as the biological template is a perfect copy of the host the creature copied. This calls for a solution where the crew must improvise and make the creature reveal himself by confusing the biological template of what makes a human being.