Spoiler Alert: This interview contains spoilers for the Season 4 finale of “Abbott Elementary.”

Four years in, the “Abbott Elementary” field trip episode is a time-honored tradition. Except for Season 3, when the field trip was the penultimate episode, each of the ABC sitcom’s season finales has taken place off-campus, where the teachers and students run into problems and feelings that don’t normally come up in the classroom.

This year, the group ventured to Philadelphia’s Please Touch Museum, a collection of interactive exhibits that allow kids to get their hands dirty, safe from most museum’s “please don’t touch” ethos.