Many of “The Simpsons” stars voice several characters on the show, which follows the cartoon residents of Springfield, including the boorish Homer Simpson, his smoker-voiced wife Marge, and their kids — mischievous Bart, smart Lisa, and baby Maggie. Selman has been with the show since 1997.

"That I'm in super denial about," showrunner and executive producer Matt Selman tells PEOPLE exclusively. Related: The Simpsons Aired a Meta 'Series Finale' Episode for Its Season 36 Premiere: How They Pulled It Off (Exclusive) "I don't think about it,

The animated Fox institution aired what it dubbed a “series finale” episode to premiere Season 36 on September 29. This experimental move left viewers shook, and many thinking about what the end of the show would actually look like.

The Simpsons may seemingly predict the future, but there is one thing that showrunner and executive producer Matt Selman is refusing to even think about. While speaking with People, Selman confessed that he is “super in denial” about what he would do should one of the show’s primary voice actors pass away ahead of the show’s finale.

The Simpsons may have teased their series finale but those behind the scenes have different plans entirely for when that day comes.

The Simpsons has long been a cornerstone of American television. However, despite its legendary status, the show won't last forever.