Subdivision - S2-E6
Continuity mistake: When T-Bag has a drink of alcohol he has the drink to his mouth in one shot and in the over the shoulder shot it is lowered. (00:27:10)
Riots, Drills and the Devil: Part 2 - S1-E7
Other mistake: Unlike everyone else in the prison during the riot, Sara Tancredi is not drenched in sweat. In fact, she's not sweating at all.
Good Fences - S3-E4
Continuity mistake: When Alex snaps at Bellick while looking for a felt tip pen, they move apart between instant shots. (00:10:40)
Continuity mistake: They are hanging on the helicopter's rope, then they're still fighting on the roof and the helicopter's rope is being lowered. (00:37:50)
Other mistake: When the driver hits Sucre's car you can see a doll in the driver seat. And after the fight Gretchen gets in the car by herself and starts the car on the wrong side (the passenger seat), plus when she leaves the dead body disappears. (00:34:22)
Other mistake: While Paul Kellerman talks to Lincoln about Sofia and LJ, Dominic Purcell has a tattoo on his left forearm saying "j.c. 1950-2008", which should have been hidden as season 4 is set in 2005. (00:40:57)
Disconnect - S2-E12
Continuity mistake: Slattery holds out of the receipt for Brad to look at, she has her finger on the red tape. When the camera shows a close up, her thumb is off the red tape. (00:26:40)
Rendezvous - S2-E10
Other mistake: Sara sprints the short distance to Mahone's car. Halfway through her sprint the camera changes to Michael for 23 seconds, then back to Sarah, who has covered less than 10m in that time. (00:26:30)
First Down - S2-E4
Continuity mistake: When TBag is in the bathroom he has the blade against his finger. Camera changes and it isn't. (00:11:50)