Can you imagine 'Friends' without Jennifer Aniston? It almost happened.

Jennifer Aniston on The Tonight Show (NBC file photo)

LOS ANGELES (WTHR) — "I'm gonna go get one of those job things." "It's like all my life everyone has always told me, 'You're a shoe, you're a shoe, you're a shoe.'"

Could another actress have nailed these one-liners better than Jennifer Aniston?

Entertainment Weekly got their hands on an upcoming book from pop culture historian Saul Austerlitz, titled, "Generation Friends."

EW shared excerpts from Austerlitz's book with "The One..." headings, which cleverly mimics all 236 episode titles — except for "The Pilot."

One heading reads, "THE ONE WITH THE CASTING CONFLICT," which explains how Aniston, who portrayed Rachel Green, was almost recast midway through the first season.

Austerlitz revealed Aniston had already shot several episodes of an unaired CBS comedy, "Muddling Through." Knowing Aniston would be unable to remain with "Friends" had "Muddling Through" been successful, NBC President Warren Littlefield told Preston Beckman, head of NBC scheduling, to, "Kill it."

Beckman came up with a strategy to schedule television film adaptations of Danielle Steel romance novels opposite "Muddling Through." The strategy worked as the CBS comedy was canceled after nine episodes.

"Generation Friends" will be released Sept. 17 on Amazon, IndieBound, Barnes & Noble, and Apple Books.

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