Wildly popular sitcom 'Abbott Elementary' teams up with long-running classic 'It's Always Sunny in Philadelphia' for an unexpected, off-the-wall crossover event.
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The crossover features a guest appearance by 'It's Always Sunny' star Danny DeVito, who plays a shady Philly real estate developer trying to buy out the Abbott Elementary school.
The episode was a ratings smash, drawing the largest audience for 'Abbott Elementary' to date and sparking buzz about a potential spin-off or recurring character.
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Danny DeVito, Abbott Elementary, Abbott Elementary, It's Always Sunny in Philadelphia