A Dark Knight: They Who Hide Behind Masks - S4-E3
Continuity mistake: A pair of scissors covered by a square of gauze bandage is next to Alfred's arm, but in the following shot the gauze is missing.
Heroes Rise: All Will Be Judged - S3-E19
Continuity mistake: Gordon's pistol switches between shots from higher to lower and higher again.
Heroes Rise: All Will Be Judged - S3-E19
Continuity mistake: The crowbar held by the Riddler instantly changes position from higher to lower and back again.
Heroes Rise: The Primal Riddle - S3-E17
Continuity mistake: Harvey Bullock removes his reading glasses twice while looking at Frank Gordon's crime photos.
Heroes Rise: How the Riddler Got His Name - S3-E15
Continuity mistake: Edward Nygma rolls gas canisters down the aisle at the Gotham Police Academy speech, the canisters land on their sides, then suddenly they are standing upright, spewing gas.
Continuity mistake: When Bruce follows Cat to the roof top he jumps after her. He runs and steps onto the ledge with his left foot. When the camera angle switches it shows Bruce jumping off his right foot instead. (00:18:10)
Continuity mistake: While Alfred consoles Bruce over the death of Karen, Bruce's head immediately changes position depending on the angle of the shot.
Continuity mistake: During Barbara and The Lady's meeting in the club, The Lady's glass is on the table. The next shot The Lady is holding her glass off the table.
Continuity mistake: When Alfred leaves the garbage dump and tries to commandeer the car, the driver's are already wet from a previous take before Alfred throws him on the wet road.
Continuity mistake: When Jerome get stabbed in the neck, in the first shot the blood comes from his mouth and goes towards his eye. In the next shot, there's no blood trail going to the eyes, but instead to his cheeks. (00:34:50)
All Happy Families Are Alike - S1-E22
Continuity mistake: When Moroni arrives to kill Falconi, the number of turns of rope around the hook holding Falconi changes. First it is just one loop from the front, then the shot changes to the back and it is two. The shot changes to the front again and now there are three loops of rope around the hook.
Continuity mistake: When Dr. Thompkins is first introduced to Bullock, he reaches backward over his head to shake her hand. The shot changes and he is suddenly reaching around his body instead.
Continuity mistake: When Alfred walks into the cabin, gun drawn, his right hand is already bloody, despite the wounding happening 5 seconds later.
A Dark Knight: Queen Takes Knight - S4-E11
Continuity mistake: When Bruce puts his emancipation papers in front of Alfred, he also sets a pen next to them. When Alfred picks up the paper, the pen is gone.
Suggested correction: The pen is still there.
Watch the scene again and point out where the pen that was next to the papers is. And Alfred never picks it up before picking up the papers.
Mad City: Follow the White Rabbit - S3-E6
Continuity mistake: Valerie Vale places her coffee cup on a napkin while having breakfast with Jim Gordon, but when she gets up to leave immediately after, the cup has moved off the napkin and onto the table.
Mad City: Anything for You - S3-E5
Continuity mistake: Edward Nygma's eyeglasses instantly disappear while riding in the convertible with Mayor Oswald Cobblepot.
Mad City: Better to Reign in Hell - S3-E1
Continuity mistake: While speaking with Lucius Fox, Bullock turns his head to the left twice.
Mad City: Better to Reign in Hell - S3-E1
Continuity mistake: When Gordon is talking to Bullock, Bullock raises his coffee cup to his mouth. The next shot when Gordon turns, Bullock's cup is lower and he raises it again.