Other mistake: Player 061 was female. But an eliminated photo showed a male participant with the same number.
Squid Game (2021)
1 mistake in show generally
Starring: Daniel C Kennedy, Geoffrey Giuliano, John D. Michaels
Trivia: They keep guessing the next game, however clues are hiding in plain sight. The illustrations on the dormitory walls depict all the games, from "Red Light, Green Light" to the final match of Squid Game.