The position of Agent Harris's arms keeps changing with each edit as he stands talking with Tony in the final scene.
At around 31:00 during the confrontation between Dr. Melfi and "Woman Smoker," there are multiple continuity issues that occur with the "Woman Smoker's" table and body position.
While talking to Sil about the WWII container, the cord on Tony's kitchen phone disappears towards the end of the conversation.
At around 3:17, you can see that the pile of garbage has been edited to make it seem larger, as the exact same section of trash is repeated three times.
During the sex scene in office involving Tony Soprano, his partner seems to be naked waist-down, however, if you pause you can see that she is wearing a skin-colored tight undergarment giving an illusion of nudity.
This is supposed to be spring but there are yellow leaves on the trees and the sidewalks, making it look more like fall.
Richie is supposed to be tapping on the window of the house he is going to buy to get Tony's attention, but he is pulling up his pants with both hands as you hear the tapping sound so he wouldn't be able to tap on the window.
At Barone Sanitation, their telephone number is shown as (210) 555-0126. This would place the company near San Antonio, Texas. Barone Sanitation is in New Jersey, where the area code is 201.
When Junior is receiving advice regarding his oxygen from the home health care nurse, he is told it will "ramp up to 8 pounds per cubic inch". 8 pounds per cubic inch would be the density of the gas (weight per volume), not the pressure of the gas, which is in PSI (pounds per square inch).
After the car crash, Paulie completely abandons the sauce he was preparing on the stove and starts sunbathing instead.
When Dr. Baumgartner confirms with Tony that his seeing a psychotherapist but when in fact Tony is seeing a psychiatrist. There is a difference between both disciplines.