When Gus is walking with the iPad, so Shawn can see what's going on, the case flips sides from the close-ups to the long shots.
When Shawn is fighting Brigham in the hospital room, he grabs a metal tray from a table, hits Brigham on the head, and the tray falls to the floor. In the next shot, the tray is on the table again, and then when Shawn grabs the flower vase from the same table, the tray is gone.
When Gus recoils from the car explosion, he holds the ipad with one hand. However, in a close-up shot focusing on Shawn's image, he holds it with two hands.
At the begin of the show Henry tells Shawn that he's going to "rip your heart out and that's an organ you do need". Gus comments that the heart is a muscle not an organ. The truth is the heart is actually an organ, a muscular organ, but still an organ.
When Gus, Tony,are Drake are with Carlton when he is talking to Marlo , Gus gets a call on his cell phone. There are no cell phone allowed in a prison or jail within the visiting areas.
Shawn says, "LL Cool J has survived Michael Myers, great white sharks, and Queen Latifah." The sharks in Deep Blue Sea are Makos, not Great Whites.
Shawn has his appendix removed, yet at one point Gus pushes him back on the hospital bed, while Shawn lifts his legs into the air and holds them there for an extended period of time. An appendectomy severs some of your stomach muscles, making actions that engage those muscles extremely painful. Shawn would not have been able to lift his legs without agonizing pain and/or tearing out his stitches.