Broadcast TV's hit comedy Abbott Elementary is gearing up to return for its fifth season. Along with It's Always Sunny, Abbott is arguably among the most famous Philadelphia-set sitcoms on TV. But here's a little insider secret. Most of the time, the show is actually filmed in Los Angeles. They have occasionally visited Philadelphia for some on-location filming. And they just so happened to accidentally catch some Philly baseball history on their latest visit.

See Full Page