Matt Selman, co-showrunner of The Simpsons, has teased details about the show’s upcoming 800th episode. Selman further discussed Season 37, the show’s evolving storylines, and how the milestone installment will spotlight the family dog. Matt Selman says The Simpsons Episode 800 is about the dogMatt Selman spoke with Entertainment Weekly about the show’s 37th season, its approach to storytelling, and its milestone 800th episode. When asked about the 800th episode, Selman offered a rare tease. How about this, I’ll give you a little more: The dog gets fat.” The episode will center on the family’s beloved pet, Santa’s Little Helper, marking a milestone for the series.