Continuity mistake: When Meadow is driving Janice's car, Janet's right arm moves around on the window sill from shot to shot, and the cigarette Janice is smoking gets longer instead of shorter as she smokes it.
Continuity mistake: Tony makes a toast at the dinner table in front of Carmella and Anthony. Watch Tony's wine glass during the toast, the amount of wine in the glass changes dramatically from shot to shot. (00:21:45)
Continuity mistake: When Silvio Dante is talking to Richie Aprile, from a back shot Silvio rests his head to the back but in the next shot it's straight and down.
Continuity mistake: When Hesh and Massive Genius are talking on the porch, Hesh is leaning forward and picks up a glass of ice tea. A second later, in the next shot he is sitting back in his chair, and is no longer holding the glass.
Knight in White Satin Armor - S2-E12
Revealing mistake: Noticeable blood pack under Richie's shirt when he's shot by Janice.
Watching Too Much Television - S4-E7
Visible crew/equipment: When Furio is at the Sopranos' to pick up Tony and tells Carmela he'll be waiting in the car, a crew member can be seen reflected in the door glass as Carmela closes the door. (00:38:55)
Continuity mistake: When Junior comes downstairs from shaving, his face is completely clean. In the scene that immediately follows, smears of shaving cream suddenly appear under his nose and on his left ear. (00:13:40)
Continuity mistake: When AJ is telling his parents about the party, his sleeves go from being rolled up above his elbows, to being rolled right down and back again between shots.
Continuity mistake: In all of the episodes where Carmela hosts her film club, the theater seats in the Sopranos' screening room are gold, attached with wide trays for snacks, beverages, etc. But in this episode, when Tony and A.J. move the seats outside, they are maroon, without the wide trays.
Continuity mistake: While standing outside the horse's stall, Ralphie's arms go from being at his sides, to folded across his chest throughout the whole scene.
Irregular Around the Margins - S5-E5
Audio problem: From a front angle, Tony tells Adriana about how good his doctor is. Cut to a side angle and Tony's voice is out of sync with the image. Then back to the previous front angle and the audio syncs perfectly.
Continuity mistake: Livia's hair style keeps changing all the time while having her last talk with Tony. In this scene the Livia character has been superimposed from pre-existing footage as the actress Nancy Marchand had passed away.
Revealing mistake: Season 6, Ep. 85, "The Blue Comet": The Ukranian woman's body by the stairs keeps changing positions all the time (depending on the angle), despite her being dead.
Continuity mistake: When Tony sits by the pool, the position of the towel on the chair changes through shots.
The Telltale Moozadell - S3-E9
Continuity mistake: During the scene where Rocco gets water thrown at his face, the position of his hands differs between the close-up and the wide angle.
Knight in White Satin Armor - S2-E12
Continuity mistake: When Tony says goodbye to Janice by the bus. A black fella in a hat has already walked past them both. But as the camera angle changes. The same fella walks past them again from 5 yards further back. (00:54:14)
Continuity mistake: Meadow takes the carton of milk out of the fridge and leaves it on the counter. Tony gets up and opens the fridge and the carton of milk is back inside. (00:11:01 - 00:11:53)
Continuity mistake: When Christopher is trying to get rid of the body into the bin, his arms are constantly changing between crossed and hanging at his side. (00:30:30)
Continuity mistake: Tony gets out of the car near the start and there is no glass on the floor, when he calls Christopher over, broken glass on the ground has appeared.
Answer: That's not Jimmy, just a look-a-like. Jimmy's short and stout, the guy in "Christopher" episode is tall and medium built. The hair is also different.