When Dino Ortolani is in Tim McManus' office after he beats up Billy Keane in the shower, if you look behind Dino you can see in the reflection a crew member holding up the boom mic.
When Dr. Nathan leaves the employee break room, you can see the Em City laundry room behind her.
After Ortolani gets his hand bandaged and visits McManus, the bandage and the wound disappear in the next scene and aren't seen again for the rest of the episode.
During Poet's recitation, he noticeably looks into the camera twice.
Even though the Emerald City shower room is visible, the one Ortolani goes to is completely different and never seen again. The reason why is that shower scene is from the original presentation to the studio and was never re-shot.
In the scene where Schillinger talks to Ortolani watching TV, Ortolani is watching "Felix The Cat".
Tobias Beecher slams into Kathy Rockwell while driving drunk. (the first crime flashback)
Kareem Said blows up a white-owned warehouse in a black neighborhood.
Dino shoots Ryan after he and a friend emerge from a bar.
Prisoner # 97B412 Tobias Beecher convicted July 5th 1997, driving while intoxicated, vehicular manslaughter. Sentence: 15 years, up for parole in 4.
Prisoner # 97S444 Kareem Said aka Goodson Truman convicted June 6th 1997, arson in the 2nd degree. Sentence: 18 years, up for parole in 5.
Prisoner # 96C382 Dino Ortolani convicted December 12th 1996, murder in the 1st degree, assult with a deadly weapon. Sentence: life imprisonment without the possibility of parole.
Ryan tells officer Healy that his 'brother says hi' but, as far as we know, Cyril is already brain-damaged by this point. Fontana has pointed out this as a mistake in the audio commentary on this episode.
When Jefferson Keene is in the office talking to McManus about getting married to his girl you can see one of the cameraman through the reflection of the window right behind Tim McManus.
In Augustus Hill's flashback while he is having sex, his hand position on the bed is different in between shots.
Vern has two sons, age 17 and 16.
Beecher has three children: daughter Holly, son Gary and infant Harry.
Hill was paralyzed the night of his arrest. When a cop he shot was died, another cop threw him off a roof.
Miguel is third generation of Alvarez convicts. Grandfather Ricardo incarcerated at 18, now in solitary confinement. Father Eduardo also incarcerated at 18, is now mute and an aide in the hospital.
Augustus Hill convicted November 6th 1995, murder in the second degree, possession of illegal substances. Sentence; life imprisonment up for parole in 20. (prisoner # 95H522)
Jefferson Keane convicted May 14th 1997, two counts of murder in the 1st degree. Sentence: life imprisonment without the possibility of parole. (prisoner # 97K186)
Nino Schibetta convicted December 12th, 1995, on two counts of conspiracy to commit murder. Sentence: 120 years, up for parole in 70. (prisoner # 95S604)
Augustus Hill sings "So Happy Together" by The Turtles during Jefferson Keane's "wedding."
When Alvarez stabs the knife into his hand, you can clearly tell it's a prop knife because the blood squirts from the handle and there is no blood on the blade.
Ryan O'Reily convicted on July 12th 1997, two counts of vehicular manslaughter, five counts of reckless endangerment, possession of controlled substances, criminal possession of a weapon and parole violation. Sentence: Life imprisonment, up for parole in 12. (prisoner # 97P904)
Kenneth Wangler convicted on July 6th, 1997, murder in the 1st degree. Sentence: 20 years, up for parole in 6. (prisoner # 97W566)
Miguel Alvarez convicted on February 3rd, 1997, of assault with a deadly weapon, criminal mischief in the 2nd degree. Sentence: 15years, up for parole in 2. (prisoner # 97A413)
Ryan O'Reily plows his car into two road workers and a parked car while under the influence.
Kenny Wangler shoots another kid over a jacket.
Miguel Alvarez vandalizes the car of a man who scratched their car, before beating him and slashing his face
In the press conference scene, the shadow of the boom mike operator (and also the boom mike) appear clearly on the wall as the cameras are flashing, several seconds later the mike is visible at the top of screen.
In the scene where Keane is trying to convince Ryan to repent for Ortolani's murder, a boom microphone is clealy visible in the top right of screen.
Very early in the episode where the inmates are talking about Jefferson Keane, a boom mike is visible above Schillinger's head as he is walking down the stairs.