‘Abbott Elementary’ Producers Tease ‘It’s Always Sunny’ Crossover and This Season’s Gentrification Storyline
variety.com
"Abbott Elementary" exec producers Justin Halpern and Patrick Schumacker share details behind 'It's Always Sunny' crossover and more Season 4 stories.

“Abbott Elementary” exec producers Justin Halpern and Patrick Schumacker share details behind ‘It’s Always Sunny’ crossover and more Season 4 stories.