Character mistake: Jill mentions that her parents were married for 50 years, and her mother corrects her and says it was 51 years and 7 months. However, the season 6 episode Jill And Her Sisters was about the aforementioned ladies planning their parents' 50th wedding anniversary, and the penultimate episode of the season, Taps, saw Jill's father die a few months after the former episode. Since only a few months had passed, there's no way Jill's parents could have been married for 51 years and 7 months.
Continuity mistake: This episode establishes that Tim is three years older than Jill. However, in the episode "Ex Marks The Spot" (Season 2), Tim said that he broke up with Stacy after high school, then met Jill at college. And Jill wouldn't date him unless he promised that everything was over with Stacy. If Jill is three years younger, she would have been only fifteen when Tim broke up with Stacy, not at college.
What a Drag - S7-E16
Other mistake: When Tim and Jill are staking out in Wilson's backyard to see which of their sons hid the marijuana, Jill mentions that it's only 10° outside. However, their breath is never visible throughout the scene.
Revealing mistake: At the beginning when Tim goes to throw the debris out of the window of the house they are remodeling, it's obvious that Tim is replaced with a stunt double.
Continuity mistake: Near the end, Jill is serving sausage to Tim. She places three links on his plate, but in the wide shot, Tim's plate is shown with only two.
Answer: Tim's other brothers are named Rick and Steve. They never appeared on the show, and were only mentioned in passing.
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