Revealing mistake: In the final scene you can see Abruzzi in his cell where they have reused shots from series 1 in Fox River.
Prison Break (2005)
1 revealing mistake in season 5 - chronological order
Starring: Dominic Purcell, Robert Knepper, Wentworth Miller, Amaury Nolasco
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.
Michael Scofield: I thought your cousin was trying to move in on your girl.
Fernando Sucre: That's my other cousin but thanks for bringing that up, jackass.
More trivia for Prison Break
Question: What's the time frame of the show?
Answer: Roughly as follows. Linc "kills" Steadman in 2001. Michael robs the bank on March 9th 2005 and is sent to Fox River on April 11th. The breakout from Fox River takes place on or around May 25-31. Michael arrives in Sona on June 17th 2005. More details are here: https://prisonbreak.fandom.com/wiki/Prison_Break_timeline.
Ssiscool ★
That wouldn't make sense because the original grave stone in series 4 has Michael's death date as 2005, which is supposed to be at least 3 years after Fox River.