Other mistake: While Gordon is a security guard, he has sergeant stripes on his sleeves but corporal stripes on his collar of his uniform.
Gotham (2014)
1 mistake in Rogues' Gallery
Starring: Sean Pertwee, Ben McKenzie, Donal Logue, David Mazouz, Camren Bicondova, Dean Morris, Jon Beavers
Legend of the Dark Knight: 13 Stitches - S5-E6
Edward Nygma: [while Lucius Fox is removing the chip from his brain] Ow! Will you be careful?
Lucius Fox: If you'll stop moving, this will go a lot faster.
Edward Nygma: Well, if you would be more careful, I wouldn't potato all the long legs from the hidden spoon.
Barbara Kean: What just happened?
Lucius Fox: I believe the chip is installed against his speech center.
Barbara Kean: Huh. Do it again.
Lucius Fox: The human brain is not a play thing, Ms. Kean.
Edward Nygma: Please don't habituate the curtain rod.
Trivia: Gordon's apartment has a clock design on a window in his apartment. In the comics, his daughter, Barbara, used a clock tower as her base of operations as the crime fighter and information broker, Oracle.
Question: How is it that Butch doesn't get his hand back but Galavan's sister has full control over hers even though it was sliced off?
Answer: Tabitha got her hand sewn back on, Butch didn't.