Continuity mistake: At Joey's party, when Alex and Michael are talking about Seth's girlfriend, the food on Alex's plate keeps changing places in between shots. (00:10:00)
Suggested correction: The plate is just turned around... The food does not changes.
Joey and the Book Club - S1-E4
Continuity mistake: When Joey goes to his agent, we see her putting sugar in her drink and stirring it twice, and also the red stirrer keeps disappearing and reappearing from her drink. (00:03:20)
Continuity mistake: As Gina walks around the pool, you can see the soles of her feet are dirty, she then lies down next to Joey, and they are clean.
Episode One (a.k.a. Joey and the Student) - S1-E2
Continuity mistake: In the scene where Michael asks Joey and Gina to leave the bar, when Joey has gotten up and left and Gina is looking in the mirror, her pink handbag is in her right hand. Yet when the shot changes it is suddenly is in her left hand. (00:20:55)
Joey and the Dream Girl (1) - S1-E8
Continuity mistake: When Joey is making the omelette for Donna, we see Joey breaking the eggs and then he puts the bluebowl on the table. When the shot changes, the bowl is no longer there, then comes back again in a later shot. (00:13:00)
Episode One (a.k.a. Joey and the Student) - S1-E2
Continuity mistake: When Michael and Joey are Gina's house, when Gina is talking to Michael about changing her ways, the shoulder of her top keeps changing positions on her shoulder. (00:14:40)
Episode One (a.k.a. Joey and the Student) - S1-E2
Continuity mistake: During the scene when Joey and Michael go to Gina's after she got them kicked out of the bar, the cork in the wine bottle appears and disappears from the bottle. (00:13:45 - 00:14:20)
Joey and the Dream Girl (2) - S1-E9
Continuity mistake: Right near the end of the episode when Donna leaves, and Joey sits on the couch, we see there is only one magazine on the couch, away from the cushion, yet in the final shot of this scene, there are two magazines under the cushion. (00:19:00 - 00:19:55)
Continuity mistake: In the scene after the introduction, when Joey and Gina are at the airport, Joey's bag strap at one point is under his collar, then when the shot changes his collar is under his strap. This mistake keeps happening during this whole airport scene. (00:02:00)
Continuity mistake: When Michael is talking about Seth's girlfriend, Joey has a board of cheese and grapes out. When the shot changes, the grapes have disappeared off the board. (00:05:35)
Continuity mistake: When Joey and Michael are talking to Roger, and everyone is drinking shots, when Joey and Michael put their glasses back down, we see that they're both on the tray, yet in a later shot, we see one of them is not on the tray any more, but further along the table. (00:16:35)
Joey and the Book Club - S1-E4
Continuity mistake: When Joey is trying to read the book for book club, we see he kneels down on both knees to look at a snail, then when the shot changes, we can see that he is only kneeling down on one knee. (00:12:25)
Continuity mistake: When Michael is happy about Gina dating, we see Joey celebrate as well, he throws his hands in the air and when they come back down, they are apart, then when the shot changes, they are interlocked. Then when Joey points at Michael, he does it with his left hand and when the shot changes it is with his right hand. (00:12:05)
Continuity mistake: When Michael, Joey and Gina are talking just after the opening credits, we can see that the writing on Michael's laptop changes between shots. (00:02:20)
Joey and the Dream Girl (1) - S1-E8
Continuity mistake: When Michael tries out baseball, we see him holding the baseball bat, then when the shot changes, after Joey asks him for another quarter he is no longer holding it. (00:15:45)
Joey and the Big Audition - S1-E10
Continuity mistake: In the scene were Michael is running lines with Joey, the position of Michael's book keeps changing position on the foot stool in between shots. (00:14:25)
Joey and the Perfect Storm - S1-E5
Continuity mistake: When Joey goes to visit the sick actor in bed, the tissues in the actor's hands and on the sheets disappear between shots.
Continuity mistake: When Joey goes to see his agent, we can see the paper pad and the pen move in between shots. (00:07:55)