In the opening moments of “Schitt’s Creek,” the popular sitcom, the camera pans over a stately mansion just before federal agents from “Revenue Agency” begin carting off valuables. The occupants of the home, the super-rich Johnny Rose and his family, soon learn that they are broke. Television audiences then followed the Rose family’s trials and tribulations over the next six seasons as they adjusted to their new surroundings: a town they once bought as a joke.
While the show has its share of outrageous—and some downright cringy—moments, there are some valuable ...