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: Searching for clues to identify a suspect, Masuka takes fingerprints from the interior of a truck. Back at the lab, he says he had two dozen prints and they all belong to the same person. Unless the prints are all of the same FINGER, there is no way he could know the prints were all from the same person without a suspect to compare them to. Masuka is a forensic expert and should know better. (00:15:40)
Character mistake: Sam encounters Marc Bolan in the club and warns him to "drive carefully", aware of Bolan's future death in a 1977 car accident. However, Bolan never learned to drive and he was actually a passenger in the fatal accident. (00:07:55)
Dedication - S1-E7
Character mistake: When they show the helicopter containing Alpha team, it is a Bell 206 JetRanger, and the sound effects match it, but Brown says "This is the first time I'm on a Huey." The Huey and JetRanger look and sound nothing alike. (03:25:00)
Character mistake: When Betty and Daniel takes Oshie to the White Tassel, as they are walking in, Daniel asks Betty if she is sure that they do not have anything over $5, Betty smiles and agrees. However, when there is an establishing shot of the restaurant, it states in the window that there is something for $9.99.
Children of Earth: Day One - S3-E1
Character mistake: Lois says that Colonel Aduya's uniform "isn't British Army". In fact, it is entirely (and accurately) British Army with the exception of the small UNIT badge over the pocket.
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.
Episode #5.6 - S5-E6
Character mistake: When Alice is releasing the cape vulture at Mara, she twice says "good boy" to the vulture, which means that the vulture is male. When she returns to Leopard's Den and tells Danny about the release, Alice says "Watching her flying away like that was amazing" which would mean that the vulture was female. (00:00:40)
Character mistake: Stella goes to the hospital to inform her daughter Sam about Hope dying. During the conversation, Stella calls her daughter Samantha and later on calls her Sarah twice.