The Illusion of the Deadly Conglomerate - S1-E18
Continuity mistake: Blake tosses the trick card, and it lands on the lower right side of the target. When Dominick walks over to pull the card free, it has moved itself to the upper left portion of the target. (00:29:20)
Continuity mistake: Early in the episode, the killer approaches the victim as she sits on a bench at the bus stop. He is facing her and shoots her in the chest and then turns and moves to his left, but he is then shown approaching her from the other side (her left).
A Community of Victims - S3-E3
Continuity mistake: Officer Ripley's shoes change from black to white as he chases the ambulance, then back to black.
Continuity mistake: S51/E204: Billy and Lilly are hitting golf balls into a glass. Billy hits his ball into the glass and knocks the glass crooked. They never straighten out the glass, but when Lily hits her ball into it, it's straight again. (00:56:38 - 00:59:10)