Continuity mistake: When Jane is being told by Mayfair that she can carry a weapon, she has a scar over her left eye. In the next scene, which follows immediately, the scar has gone. (00:50:00)
Blindspot (2015)
1 mistake in Eight Slim Grins
Starring: Rob Brown, Jaimie Alexander, Sullivan Stapleton, Audrey Esparza
Trivia: Since episode 10 of season 2, "Nor I, Nigel AKA Leg in Iron", all the episode names (at least to episode 21) are palindromes (a word or phase spelled the same forward or backwards).