The Gang Goes to Class in First Teaser for ‘Abbott Elementary,’ ‘It’s Always Sunny’ Crossover
The long-awaited crossover episode between 'Abbott Elementary' and 'It's Always Sunny in Philadelphia' has its first teaser.
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Kaitlin Olson Shares Her Favorite Episodes of ‘It’s Always Sunny in Philadelphia’
Though it may always be sunny in Philadelphia ... “The Nightman Cometh,” Olson also cited Season Three’s “Dennis and Dee Go on Welfare” as one of her top picks.