One of Survivor 's many challenges? Making friends.

After all, host Jeff Probst revealed the extraordinary steps the competition series takes to ensure none of its contestants know one another before the games begin.

"We go to great lengths to learn as much as we can about every player," he shared on the Sept. 24 episode of his On Fire with Jeff Probst podcast. "Our background checks and our deep dives into your history and your social media, they're pretty thorough."

Although the intensive check is necessary for the authenticity of the series—which premiered its 49th installment Sept. 24—it's not easy.

"It still doesn't mean we will catch everything," Jeff, who also serves as an executive producer on the series, explained. "We do still miss stuff and we're ofte

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