Corrected entry: When Tony is talking to Noah, Tony asks, "What's your background, Noah?" Noah then starts his answer with "Noah...I'm from Los Angeles..." Noah repeating his first name at the beginning of his line does not make sense, and is likely a freudian slip resulting from Noah knowing Tony's lines, and waiting for his cue.
Corrected entry: Chris is in a bakery and he is overlooked for a guy that walks in. The characters name is Gino, but later in the series the same actor shows back up as Vito Spatafore. They get into an altercation but if Vito was a wiseguy then Chris would have recognized him.
Corrected entry: Despite the fact that the Soprano family is supposed to be well-known in New Jersey (so much so that, when Janice gets into the fight at Sophia's soccer game, the newscasters mention that she is the "reputed mob boss's sister"), nobody around them seems to be aware of who they are. Katherine Romano doesn't know Uncle Junior is under house arrest (this kind of stuff makes the news all the time). And, given that Dr. Kupfurburg lives in New Jersey, is Dr. Melfi's shrink, and constantly talks about how concerned he is about her treating Tony, how is it possible that he didn't know who Tony was when he ran into him in the parking garage?
Corrected entry: Ep. 83, "KENNEDY AND HEIDI": After Christopher dies and they're talking about the cause of death, Meadow says that an airbag deployed without a seatbelt on can cause thorasic damage, but the airbags were not deployed after the accident when Tony reached in to kill him.