Factual error: When Penguin meets his father for the first time the father mentions he has brought a bunch of lilies, her favourite, but he is actually holding stock or delphinium.
Mad City: Beware the Green-Eyed Monster - S3-E11
Continuity mistake: When Alfred pull the man out of the car, his behind is already wet before he hits the road. (00:11:47)
Audio problem: When Gordon and Bullock attempt to arrest Falcone, Bullock forces two henchmen into the room and a sound of a shotgun being cocked is heard as he enters the room behind them, but he is carrying a rifle. (00:33:05)
Other mistake: While Gordon is a security guard, he has sergeant stripes on his sleeves but corporal stripes on his collar of his uniform.
Legend of the Dark Knight: Pena Dura - S5-E5
Continuity mistake: When Gordon jumps onto the bench in the library, he grabs the 2nd shelf as he's falling backwards. In the next shot, he's holding the 3rd shelf.
Legend of the Dark Knight: Ruin - S5-E4
Continuity mistake: When Ed is trying to take the Blackgate folder from Lucius, the way it's held between them changes between shots.
A Dark Knight: One Bad Day - S4-E21
Continuity mistake: After Selina and Bruce kiss, she takes her hand off the back of his neck and lowers it. In the next shot, her hand is back on his neck and she lowers it again, and then it's on his shoulder.
Heroes Rise: Destiny Calling - S3-E21
Continuity mistake: As Bullock and Gordon face Fish Mooney in the tunnel, just as Fish says "Uh, no'", there is an angle change and Gordon suddenly goes from holding his gun in a high, two-handed grip, to a low, one-handed grip. (00:13:15)
A Dark Knight: That Old Corpse - S4-E20
Continuity mistake: The frontal shot of Gordon shows Echo holding her gun to Gordon's head with her finger off the trigger, but the next closer shot now shows her finger on the trigger.
A Dark Knight: Mandatory Brunch Meeting - S4-E17
Continuity mistake: Jerome's shotgun switches position from his shoulder to being held at waist level several times as he questions the people about Xander Wilde.
A Dark Knight: Mandatory Brunch Meeting - S4-E17
Continuity mistake: Jerome's pistol changes position between shots as he points it at Jeremiah's head.
A Dark Knight: The Sinking Ship, The Grand Applause - S4-E15
Continuity mistake: Bruce begins to turn to face Selena twice as she speaks to him about searching for a fenced item she needs back.
Mad City: Anything for You - S3-E5
Continuity mistake: After the Red Hood gang breaks the head of the Penguin's statue, it falls and hits the floor, then it moves between shots.
Mad City: Anything for You - S3-E5
Continuity mistake: While the penguin is speaking to the crowd and the Red Hood gang is arriving there, the sun changes between shots.
A Dark Knight: Queen Takes Knight - S4-E11
Continuity mistake: When Alfred and Bruce start to fight, Bruce is pushed into the desk - the magnifying glass tips over and the large diamond object falls off. But in the next shot, they're back up. They're gone in other shots.
A Dark Knight: Things That Go Boom - S4-E10
Continuity mistake: When Pyg is hit by the other inmate, he gets hit on his left side, but the bump and mark are on his right side.
A Dark Knight: Things That Go Boom - S4-E10
Continuity mistake: When Pyg slices the inmate's throat, the left side of his face is clean. But in the next shot of him, the left side is covered in blood splatter.
Continuity mistake: At the end of the episode Fish is standing at a puddle, with three long puddles striped in front of her. After Falcon sits down with her, the camera pans back again showing where she was standing. All 4 puddles have suddenly evaporated and the additional puddles further ahead are almost gone. (00:41:05 - 00:42:10)
A Dark Knight: They Who Hide Behind Masks - S4-E3
Continuity mistake: After Alfred finishes sewing Bruce's hand, he places a square of gauze bandage on the scissors closest to his arm. The next shot shows the gauze not covering the scissors.
A Dark Knight: They Who Hide Behind Masks - S4-E3
Continuity mistake: Alfred stitches up Bruce's hand and pulls the scissors holding the stitch up high, then the next instant shot the scissors are much lower.
Answer: "The Merc" was a warehouse like store with aisles that sold mainly weapons, machetes, AK-47s, C-4, barrels of acid, etc. In s02e05, "Scarification", it was shown being raided by GCPD.
Bishop73