Corrected entry: This is for the Season 17 episode 'Marge's Son Poisoning'. Principal Skinner says that he and his mother have been doing karaoke together since he was in the 4th grade, but in the Season 9 episode 'The Principal and the Pauper', it was revealed that the 'Seymour Skinner' we know is an impostor, a man who assumed his army sergeant's identity after he was killed in combat.enter_a_uh
Continuity mistake: This is a mistake for the introduction from seasons 2-20 (1991-2009). When Homer screams, he turns round. You see this in a wide shot. There are no boxes to the right of the door in the garage. However, two just appear out of thin air when he runs through the garage. (00:01:50)
Homer: [buying a chewtoy for Maggie.] It says it's for dogs, but she can't read.
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