Towards the end Kojak is talking to the captain, In the close up shots his trademark lollipop keeps changing sides in his mouth and then after pulling it out the shot from behind you can still see a bulge from the lollipop is still in his mouth and then the front close up it is no longer there.
Towards the end of the show, when Kojak is driving to meet Farrow in Brooklyn, the Manhattan Bridge suddenly changes into the George Washington Bridge.