Continuity mistake: Harry drives away from a crime scene and his rear numberplate is visible as D703 VAN. We then see Harry in his car from the front, and the numberplate has changed to E160 HLT. (00:21:18 - 00:22:31)
True Crime - S1-E1
Continuity mistake: When we're introduced to Oliver, the people walking by behind him appear / disappear / reappear randomly with no continuity whatsoever.
Chapter Five - S1-E5
Continuity mistake: When Sister Alice is preaching with the man in the wheelchair is on stage, the way she holds her Bible changes in between shots. For example, after she lists those who were there, her hand is on the Bible but it's closed around her hand. In the next shot, it's closed, and she's holding it on the side. Then it's fully open.
Continuity mistake: Deacon and Chris chase and locate their target who is hiding under a desk wearing a jacket over his shirt. The jacket is tight around him yet when Deacon shoots him with the taser, the jacket has opened fully, exposing his entire shoulder where he is hit by the taser.
Continuity mistake: Kate and Donny are having a drink after they close the bar. She's alternately holding the bottle by its neck or much lower down. (00:24:00)
Fire Chicken - S1-E3
Continuity mistake: When CG pours a drink to the retired agent saying "C'mon, Jack", Jack keeps his hands off the table in the close-up, while he's holding the glass as she pours in the shot right after. (00:36:20)
Continuity mistake: In Season 2, Episode 19 ("Checkmate"): Detectives Torres and Moreno respond to a radio call reporting gunfire at 300 East 85th Street, which they acknowledge. We then see the suspect exit the building and escape in a car, and the detectives run unto the same building a few seconds later. The building number however is 237, not 300. (00:33:35)
Planes, Trains, and Automobiles - S2-E1
Continuity mistake: S2/E1 Planes, Trains, and Automobiles: Ashley smoked her cigarette down to the filter with no white cigarette showing but in the next frame there's white cigarette showing. (00:11:23)
Continuity mistake: The father of a teen girl murdered in CA receives a letter from a self-proclaimed psychic concerning the murder. He received it at his home in RI, but the letter is addressed to San Diego, CA. The address is shown twice. (00:08:00 - 00:14:00)
Continuity mistake: When the first Guadalajara brother is shot, and his body is on the floor, you can see the blood on the glass. Two seconds later, in a close-up shot, it is missing, only to reappear a few seconds later.
Beauty and the Obese: Part 1 - S1-E1
Continuity mistake: Once the episode cuts to the inside of the Tender Loin club, a stripper dressed in blue and yellow is on the table with a very large group of men sitting around her. Once the kid comes in with the fake I.D. and is shown around by the manager, suddenly the crowd around the stripper's table is much smaller. (00:01:54)
Continuity mistake: When Starsky and Hutch are driving up to Dobey's cabin, park near the lake, and then drive into town for supplies, the car's license plate is attached to the driver's side of the front bumper as it should be, but when they're in town the plate is now attached to the passenger side of the bumper, and it's not a flipped shot. At the end, when Hutch tells Starsky he wants to leave, the license plate is back where it should be.
La Rochelle - S1-E1
Continuity mistake: S1E1 La Rochelle. Kate is the new First Officer of the cruise ship, later she introduces herself as First Mate - a much lower rank.
Continuity mistake: The fish that Harley uses to protect herself from the Joker changes shape and size every shot.
Continuity mistake: Jack rushes in at night to save Kate who has been drugged by the evil professor. Jack resuscitates her and calls an ambulance. When the ambulance leaves it is bright daylight.
Is Lupin Burning... ?! - S1-E1
Continuity mistake: On the radio with Lupin, Jigen tells him that Fujiko infiltrated the hotel. He turns towards the hotel, right-hand supporting the chin. Wider angle, and his hand is nowhere near his face. (00:02:20)
Episode #3.5 - S3-E6
Continuity mistake: Sidney is attending a pre-wedding dance in the camp he is visiting wearing a light colored shirt. When he leaves the dance floor to chat with other attendees, he is now wearing a green sweater over his shirt.
Continuity mistake: While the Agents are reviewing the courthouse security footage, they zoom in on the unsub's license plate number "28K-XK8" on the video feed. Barnes states aloud that it's "28K-XQ8" and Remy asks which employee drives a vehicle with that plate number, then the Courthouse Vehicle Directory shows "28K-XQ8" as the unsub's license plate number. (00:21:25)
Continuity mistake: In the scene in the courtroom towards the end where Alicia is talking to the security guard who is in the witness stand, he glances over at the jurors. When they cut back to the jurors a few seconds later, they are wearing different coloured shirts. (00:33:30)
Testimony of Evil (Dead Men Don't Laugh) - S1-E6
Continuity mistake: At the start, the glass on the left is poisoned. The guy picks up the glass on the right, but still ends up dying.