1-10: The Corbomite Maneuver
The Enterprise fights against a seemingly unstoppable force.
1-25: The Devil in the Dark
The Enterprise encounters a silicone-based life-form who is attacking pergium miners.
1-05: The Enemy Within
A transporter malfunction creates two distinctly opposite Kirks.
1-06: Mudd’s Women
The Enterprise rescues known criminal Harry Mudd and his mysterious female companions.