I Dream of Jeannie Cusamano - S1-E13
Revealing mistake: When the shrink locks the door on Tony, they argue and she calls the police. When she finally calms down she approaches the door to unlock it but you can see the door move before she ever sticks a key in it or touches the knob. (00:25:20)
I Dream of Jeannie Cusamano - S1-E13
Continuity mistake: Tony, Carmela, and the kids end up at Nuovo Vesuvio during the storm. When Artie serves the dinner, AJ picks up a piece of pasta with his fingers, and in the shot facing Tony as he reaches across the table to AJ, he's holding his dinner knife, but in the next shot facing AJ, it's a fork in Tony's outstretched hand, not the knife.
I Dream of Jeannie Cusamano - S1-E13
Revealing mistake: When Artie visits Livia at the hospital there is a close-up of the newspaper that Livia is reading and it is obviously fake. Some of the articles look like they have been pasted into it and there are white strips of paper covering up headlines or replacing them with new ones. (00:16:50)

I Dream of Jeannie Cusamano - S1-E13
Continuity mistake: When Tony has a talk with his mother Livia while she's lying on the stretcher and has been carried by paramedics, he puts first his hands on the stretcher's supports; then in the next shot, he puts them on Livia's face. (00:53:26)
Answer: Yup, just like Nicholas Lea was chosen to play Alex Krycek on the X-files after showing up on 1 episode as a different character.
Grumpy Scot