A highly anticipated crossover episode between 'Abbott Elementary' and 'It's Always Sunny in Philadelphia' has been officially confirmed by creator Rob McElhenney. The announcement comes after months of speculation, with McElhenney sharing behind-the-scenes photos featuring cast members from both shows, including Quinta Brunson and Danny DeVito. Both series are set in Philadelphia and owned by Disney, which makes the crossover feasible. Brunson previously hinted at an exciting collaboration during a podcast, expressing her enthusiasm for shaking up the television landscape. While details about the episode's plot remain under wraps, fans are eager for what the two comedic worlds might create together. The crossover is set to coincide with the upcoming fourth season of 'Abbott Elementary' and the 17th season of 'It's Always Sunny'.