The cruelty of teenage girls can often feel like life-or-death—but in Yellowjackets, Showtime’s hit series about a New Jersey girl’s soccer team that gets stranded in the wilderness, it really is. Starving, freezing, and with no animals to hunt and little else to lose, the teens have slowly transformed from classmates into cannibals.

It’s not an unrealistic scenario—the show’s creators have referenced the real-life catastrophes that inspired i…