Continuity mistake: When Lindsay and Michael are talking in the kitchen we see Lindsay start to remove her sunglasses. The shot changes and the sunglasses are now off, but are not in her hand or on the counter.
Continuity mistake: In the shots of the newspaper clipping about Tobias, the caption under his photo differs between the close up and the shot of the whole article.
Continuity mistake: When Kitty and Michael are talking about the car, Kitty is holding a black folder/clipboard. A second later she is now holding a beige folder in front of it.
Continuity mistake: When George Michael throws away the banana, the rubbish bin vanishes from the top of the counter instantly, when the camera angle changes.
Continuity mistake: When Gob is visiting his Dad in prison, we see his Dad pick up the coffee cup from the table twice from different camera angles without putting it down in between.
Chosen answer: "The One Where They Build a House," S2E2.