Arrested Development

Arrested Development remains the most intricately constructed sitcom of the 2000s, with its dense web of visual gags, callbacks, and hidden jokes rewarding rewatching more than any other show on this list. The series also set a benchmark for narrative innovation, introducing slow-burn arcs like the Bluth family's frozen banana stand that paid off over multiple seasons, a structural complexity that surpassed the average sitcom of the era.