Continuity mistake: We see Link driving with a blue short sleeved shirt on. When he arrives at his destination he's wearing a long sleeved grey undershirt. (00:14:20)
Continuity mistake: At the Buoy, McGrady's hair is constantly changing between shots. (00:21:40)
Continuity mistake: When shooting at the car, Link hits the driver's side window. This bullet hole then moves between shots. (00:32:20)
Continuity mistake: When Mahone is in the bar at the start, his hand is constantly changing from up at his mouth to down by his side. (00:09:50)
Continuity mistake: The shadows and lighting change throughout the scene with T-bag giving the money to the prisoners. At one point he is in shadow, the next full sun.
Continuity mistake: In season 1 Lincoln says his mother died of liver cancer. In season 4 they said she died from a brain tumour.
Continuity mistake: At the car dealer where Don Self speaks to the seller, the seller says "How did you find me?" and they are inside the car dealership. Don responds with "I've never lost you". Suddenly when Don answers they are outside the building, like they teleported. (00:13:25)
Continuity mistake: After Sucre and the driver of Stuart's car wreck, another car pulls up behind and starts honking. Cut to a shot from behind the cars and there is a whole line of cars waiting. They weren't there in the opposite angle.
Continuity mistake: Episode 4x7, "Five the Hard Way": when Gretchen calls Agent Self at the end of the episode, Self's phone shifts from being in his right hand and ear to his left hand and ear.
Continuity mistake: When Sara comes to visit Gretchen is a little mistake. When Sara makes a little cut in Gretchen's throat, the wound looks different sometimes, and at one point completely vanishes.
Going Under - S4-E15
Continuity mistake: Michael is discussing a bargain with Sara but when he first draws it out it's in squares, then when the clipboard is lying flat on his stomach the letters are circled.
Continuity mistake: Sucre and C-Note came to Michael's help with dealing with the general. Sucre has noticeably longer hair than normal. In the next clip his hair is gone. (00:20:00 - 00:21:00)
Continuity mistake: On the tombstone in the previous episode, Michael's date of death is 11.4.2005. But in this episode, when Linc goes to the graveyard to visit Michael's grave, his date of death is 11.4.2010. It is also a different grave from the original, as the original was in South America beside the beach, and here we are led to believe it is in New York. (00:50:50)