Continuity mistake: The positions of the coolers the clerk falls into changes between shots. Note the colours of them. (00:02:40)
Rendezvous - S2-E10
Visible crew/equipment: At the start, Kellerman is on the phone to Kim. When he is, the stage lights and equipment is reflected in his glasses. (00:03:40)
First Down - S2-E4
Visible crew/equipment: When Tweener gets out the shower, a camera man's elbow is visible in the mirror. (00:32:20)
First Down - S2-E4
Continuity mistake: When Mahone tells John he is going back to Fox River or the morgue, the position of John's necklace on his fingers changes position between shots. (00:35:00)
By the Skin and the Teeth - S1-E15
Continuity mistake: When T-Bag says about going through the "whack Shack" he has his hand up by his chin. When the shot changes, he turns his head and his hand is gone with no time to do so. (00:11:10)
Revealing mistake: Michael climbs out of the hole during the escape in his coveralls. When he looks down to shout to the others to say it's clear he has no top on. The shot is reused from when he first climbed up. (00:37:10)
The Old Head - S1-E8
Continuity mistake: Kellerman kills LJ's step dad who subsequently falls on top of Kellerman. When Kellerman is trying to push the step dad off himself his tie is over his left arm. When the shot changes, his tie is now under his arm. (00:23:30)