New this month Continuity mistake: When Marge is making peanut butter sandwiches in the kitchen, she has already made one sandwich and there is one slice of bread by the peanut butter jar. When Homer walks up to Marge, another slice of bread appears.
New this month Continuity mistake: When Jacques picks up Homer's bowling ball, you can see the ball by Jacques' right hand on the rack next to him is coloured green. When we see a close-up of Homer's bowling ball in the next shot, the ball is red.
New this month Continuity mistake: After Marge has put on her bowling shoes, she throws the bowling ball and you can see that the ball is aiming for the pins in Lane 10. When we see a close-up of the pins in the next shot, they are now in Lane 9.
New this month Continuity mistake: When Marge is speaking to the man behind the counter at Barney's Bowlarama, the word "Homer" can be seen above the three holes on her bowling ball. When the man says that she can't bowl without a lane, the word has disappeared, and in the shot after that, it is back again.
New this month Continuity mistake: When Homer says that Marge hasn't opened his present yet at her birthday dinner, there is a plate and glass in front of him on the table. But then the waiters come over to the Simpsons' table in the next shot, look at Homer and you can see that the glass and plate have disappeared.
New this month Continuity mistake: When we see Homer eating at Marge's birthday dinner at Singing Sirloin, there is a cake on a dish and a wine glass by his plate. When we see Homer a little later on, the cake and wine have disappeared and there is now an ordinary drinking glass by his plate.