Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: In the scene where Peter is at the baseball game, Stewie is sitting next to a boy he calls "Opie." The camera then cuts away to a clip. When the camera cuts back, "Opie" is gone and a grown man is now sitting next to Stewie. (00:02:55)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When Peter goes to Mr. Weed's office for skipping work to go to a baseball game, he has a piece of paper in his right hand. When the shot changes, however, the paper is in his left hand.
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When the bosses are discussing sending Peter to Washington, all the paper on the desk disappears instantly. (00:12:30)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When waiting for Peter to get home from work, there is a plate with a bone on in front of Brian, When Brian asks how Peter can afford lobster, the pate has changed into a proper meal. (00:05:30)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: The bosses chuck a dog out of the window and shoot it like a clay pigeon, When they do there is a chair at the table with its back to the window. In the camera angle from the window, this chair has disappeared. (00:05:30)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: El-Dorado places a snooker table and table tennis table in the toy factory among other things. When we see the bosses up in the office, the snooker table has disappeared. (00:05:00)
Mr. Griffin Goes to Washington - S3-E3
Other mistake: In the cutaway to Mike Tyson during the baseball game, people in the crowd are missing their faces. (00:03:00)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: At the baseball game, there is a man behind Peter in a red top, with a man to his left. This man turns into a woman for some shots. (00:03:10)
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When Peter catches the ball from in front of the sick kid, his buttons on his Boston jacket swap sides. (00:02:30)