Munch and Fin go to an electronics store to find the buyer of a spy camera. The text caption identifies the store as "I Spy", but the logos seen on the inside walls give the store's name as "Quark".
The accused had a large brain tumor removed from her brain. A short time later she had another brain scan done that showed no damage whatsoever in the area where the tumor was removed.
When Cragen is called back to the squad from a department meeting after Principle Rice and Shane go missing he is wearing his dress uniform. While he is wearing the correct rank insignia for a captain he is wearing the wrong badge, the badge he has on is a lieutenant's shield.