16 Little Details Put Into Sitcoms That You Likely Didn't Notice The First Time

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One mystery Michael tries to solve in Season 3 is the identity of a girl he believes to be his secret older sister, "Nellie." Ultimately, she is revealed to be his sister, Lindsay, who is actually a few years older and was adopted from the rival Sitwell family. Lindsay hinted at the truth when she saw a photo of baby "Neille" and commented on her large nose. Fans of the show may remember that Lindsay got a nose job at a young age. Also, while they're on a retreat together, Lucille says that Lindsay is 40, seemingly by mistake, but once we learn she actually is 40, this slip-up makes a lot more sense.