Slave Island - S1-E7
Continuity mistake: The keyhole on Gambit's inhibitor collar alternates between being mostly the same yellow color as the rest of the collar, and being gray such as when he unlocks it.
Slave Island - S1-E7
Continuity mistake: Throughout the episode, the inhibitor collars worn by the captured mutants alternate between having a leveled edge like a hardware nut, to having a rounded edge like a finger ring.