A Piece of the Action - S2-E17
Continuity mistake: At the end of act one, the cue stick standing upright against the pool table just in front of Spock disappears when the view cuts to an overhead shot. It's back again after the commercial break. (00:11:00)
A Piece of the Action - S2-E17
Continuity mistake: While Kirk and McCoy attack the other two henchmen, Spock shoulder-pinches the card-playing gangster. In the very next shot, Spock's position has jumped from behind the now-unconscious man to several feet away, where he is bending over to retrieve the guns from the floor. (00:16:30)
A Piece of the Action - S2-E17
Continuity mistake: Though the name is spelled "Oxmyx" in the script and pronounced as such in the episode, a poster in Krako's office spells his rival's name as "Okmyx." (00:18:50)
A Piece of the Action - S2-E17
Revealing mistake: Kirk has just tripped both of Krako's goons with the radio wire strung across the door. He knocks them both out, grabs a gun and then races out the door - right through the space that should still be strung with the trip wire. (00:25:15)
A Piece of the Action - S2-E17
Visible crew/equipment: When Kirk and Spock pull up after their first car ride, a boom microphone is visible in the reflection from the passenger-side spare-tire cover, which is chromed. As Spock gets out, the mic moves away.
A Piece of the Action - S2-E17
Continuity mistake: When Kirk is talking to Oxmyx across the pool table, the yellow 1 ball is shown close to Kirk, then Oxmyx, and back.
A Piece of the Action - S2-E17
Revealing mistake: The drawers of Krako's desk are on the front side, not on Krako's side where they should be.
A Piece of the Action - S2-E17
Continuity mistake: The pistol Kirk is pointing at the gangster changes elevation and angle as the scene cuts between the front of Kirk and over his shoulder.
A Piece of the Action - S2-E17
Continuity mistake: The scene outside shows a guard standing close to a sign on the wall that says, "Jo Jo Krako", but the next overhead shot shows the guard further away, and a railing between the sign and the guard that would have prevented anyone from getting close to it.
A Piece of the Action - S2-E17
Continuity mistake: When Krako's men are in the gun battle with Bela's men, the Enterprise stuns them with its phasers. The number of bodies and their positions change after the men are stunned.
A Piece of the Action - S2-E17
Continuity mistake: After Kirk proposes a deal at the end, Oxmyx agrees and points towards the others behind him with his left hand. A second later, he's facing toward the camera with his right hand pointing.
A Piece of the Action - S2-E17
Visible crew/equipment: As Kirk comes around the front of the car in front of Krako's headquarters, another boom mic is reflected on the fender.
A Piece of the Action - S2-E17
Revealing mistake: As Kirk and Spock take off in the car, the painted backdrop is recognizable between the buildings. There is a vertical edge to it about three feet away from the edge of the auto repair building.
A Piece of the Action - S2-E17
Visible crew/equipment: As Kirk first drives the car, the camera is reflected in the car's chromed radiator.
The Immunity Syndrome - S2-E18
Continuity mistake: When McCoy escorts Spock to the shuttlecraft hangar McCoy is wearing his short-sleeved medical tunic, but when Spock suggests that the doctor could wish him luck, in the next closeup McCoy is wearing his long-sleeved uniform. (00:29:40)
The Immunity Syndrome - S2-E18
Character mistake: The officer at the helm is referred to as Lt. Kyle, and is named that way in the end credits. Yet throughout the episode, Captain Kirk keeps calling him "Kowel".
The Immunity Syndrome - S2-E18
Continuity mistake: At the shuttle craft deck, Spock is standing on the same side of the door as McCoy, then moves to the other side. When McCoy looks at Spock, he is standing on McCoy's side of the door again, then is back on the other side when the door opens.
The Immunity Syndrome - S2-E18
Other mistake: As McCoy stands by the hangar deck doors, the plaque over the pressure controls has "hangar" misspelled. It says "hanger".
The Immunity Syndrome - S2-E18
Other mistake: When the probe emits a loud high-pitched tone, everyone is in pain, with the exception of Mr. Spock, who is supposed to have super sensitive hearing.
Suggested correction: Spock has also been shown to be able to control his own pain.
The Immunity Syndrome - S2-E18
Continuity mistake: During the teaser, Lt. Kyle is wearing a red tunic, but when Spock returns to the bridge after his examination, Kyle is now wearing a gold tunic.
