Character mistake: When Kyle is re-taking the test at the end of the school day, you see him bubble in 4 answer and turn the page and continue to answer questions. However there were 7 questions on the first page so he ended up putting the answer to #8 on #5 of the scantron. Kyle is too smart to do this.
Character mistake: When Dexter is looking up Travis Marshall on his laptop he mentions he lives at 1742 Vanderan Street, but on the licence details on screen the number reads 1026 Vanderan Street.
Character mistake: When Hunt was interviewing Rocket, he asked him who killed the "P*ki". At the time, the Asian man who had been shot was still alive in hospital, only to die later in that episode.
God Is in the Details - S2-E10
Character mistake: When Diane quotes the scripture, she says "Revelations." However, it's just "Revelation." Someone as smart as her who has read the New Testament (or heard it quoted) would know the correct word.