OKC “Survivor” fans finally found a hidden immunity idol.

Fans from across the region lined up in downtown Oklahoma City to take photos with a “Survivor” hidden immunity idol on Thursday, Feb. 19, as part of the Survivor 50 Challenge, a nationwide scavenger hunt celebrating the show’s upcoming 50th season.

The hunt stopped in all 50 states, with special guest appearances from alumni of the show, including some of Oklahoma’s recent players.

Here’s what happened and what to know to watch the premiere of the episode.

‘Survivor’ 50 Challenge puts idol in Oklahoma. Where was it?

The “Survivor 50 Challenge,” which began at the top of the year, has put “Survivor” fans at the center of the game, bringing the idol hunts to them.

In a clue dropped at 10 a.m. on Feb. 16, “Survivor” hinted at the location of the idol:

“Where a city’s name mirrors the state, you’ll find beautiful art beneath your feet. Venture to town’s down to kick off your journey, keeping company with gas and electric,” the clue reads.

More: Oklahoma’s ‘Survivor 49’ contestant Kristina Mills recaps season, iconic moments

The event was held in OKC Underground, which is a network of tunnels in downtown Oklahoma City.

At the event, “Survivor” alum Kristina Mills from “Survivor 49,” attended to rev up energy from fans who wrapped the OG&E building above ground.

When does ‘Survivor 50’ start?

“Survivor 50” begins on Feb. 25 at 7 p.m. CT. The monumental 50th season is themed “In the Hands of the Fans” and includes the show’s largest cast yet, with 24 players spanning from the show’s 49-season history.

More: ‘Survivor’ hid an immunity idol somewhere in Oklahoma. Here’s how to find it and win big.

It airs on CBS Television Network, as well as streaming live on Paramount+ for Premium plan subscribers. The episode will release the next day for Essential subscribers.

Survivor 50 Watch Party hosted by alum

“Survivor” alumni Brice Johnston and Wendell Holland are hosting an official watch party in Oklahoma City during Survivor’s 50th season run. The party, scheduled for March 11, will be hosted at the Jones Assembly and hopes to include other alumni from the show.

You can purchase your tickets online.

This article originally appeared on Oklahoman: Survivor 50 Challenge brings crowds to OKC. Where was the hidden idol?