Some of the contestants were covered in liquid concrete. Others carried dead rats in their mouths and were locked in water tanks with alligators.
“Fear Factor” is back, with a vengeance.
The show that helped define the era of reality TV in the early 2000s made a surprisingly strong return this year with a reboot and new format.
The reboot was the network's top new unscripted series among adults 18-49 and across all broadcast television. The show, which streams on Hulu, attracted 16.5 million viewers across all platforms during its premiere in January. And it has already been renewed for a second season.
The success was all the more notable because it came during a period when the unscripted television genre appears to be losing popularity.
The creators of “Fear Factor: House of Fear” point to several reasons, including the popularity of host Johnny Knoxville (best known for his role on the MTV series “Jackass” and its spin-off films) and a new format that places the series inside a house.
“Reality house is having another moment again,” said Fox TV president Michael Thorn, referring to the concept of grouping contestants under one roof for the season. “The format of the show [being] Reality house alone doesn't mean it's going to be a hit, but when there's a unique format that dramatizes character arcs and competitions, you're going to see some shows that are really breaking out in a big way.”
The contestants participate in an episode of “Fear Factor.”
(Shane Harvey/FOX)
Once presented by Joe Rogan
The original “Fear Factor,” hosted by now-podcaster Joe Rogan, aired from 2001 to 2006. It hit the peak of unscripted television's popularity, a period when audiences devoured shows like “Survivor” and “American Idol” in their regular TV schedules.
After its initial six-season run, MTV revived the show in 2017 with rapper Ludacris as host for a brief period.
Since then, the atmosphere has changed. The reality TV genre has faded since its heyday and streaming has erased the idea of dating TV.
So when Fox decided to reboot the legacy series, network executives knew changes were needed.
To that end, the 10-episode season, which aired its finale last month, introduced a new narrative element, where all the contestants coexisted, creating a larger spectacle, both inside and out, of the fear challenges.
“People's viewing habits show that they want to be invested in the characters, in the story and in longer narratives,” said Sharon Levy, CEO of Endemol Shine North America, the production company behind the “Fear Factor” franchise.
Even though fewer scripted and reality TV shows have been made in recent years, rebooting “Fear Factor” was a “no-brainer,” said Thorn, the president of Fox TV. The revised format, he said, expanded the drama by infusing on-screen interpersonal relationships into a competition that already had high stakes.
“People want visceral, exciting storytelling that demands attention. I think 'Fear Factor' does that in a way that stands out from all the other shows on the market,” said Thorn, who also points to shows like “Squid Game: The Challenge” and “The Traitors” as other notable series. “It is inherently addictive and therefore causes binge eating.”
Contestants Rob, left, and Ethan in a season finale.
(Sergei Bachlakov / FOX)
Strategic marketing, such as premiering the show after the NFL Wild Card Game, allowed the reboot to build an audience of repeat viewers, said Jennifer Hessler, a professor of cinematic arts at USC.
“'Fear Factor' already attracts people who want to watch high-adrenaline content, but it also allows for the social element where people can build alliances, find romantic connections and have conflicts with other contestants,” Hessler said. “These types of more socially oriented reality series get people invested in the characters' relationships in a way that encourages conversation on social media.”
In fact, Fox says it created more than 3,000 “Fear Factor” posts on social media, generating more than 120 million views and more than 3 million interactions across multiple platforms.
“Fear Factor: House of Fear” is just the latest series to capitalize on the popularity of homemade game shows.
A contestant from an episode titled “Auction of Pain.”
(Sergei Bachlakov / FOX)
Another hit show that dominated the Internet last summer was “Love Island USA,” which was the most popular streaming reality show for American audiences in 2025, according to Nielsen data. It was among six of the top ten streaming service reality shows of 2025 that featured contestants living together in a house, as in “Million Dollar Secret” and “Beast Games.”
Rachel Smith, executive vice president of unscripted content at NBCUniversal, likens the phenomenon to a “new virtual stadium sport.”
“You're creating this fantasy gamescape that really draws people in,” Smith said. “People [at home] “We’re looking at it for the universal themes of love, betrayal and friendship.”
This current reality house boom mirrors some of the most popular reality shows of the '90s and early '00s, when the subgenre first found an audience.
Tom Nunan, a UCLA film school professor and former president of the UPN television network, credits MTV's “The Real World” with pioneering this type of television.
“If you take 'The Real World,' and the intimacy and relationship that goes into it, and then combine it with competition shows, then you have a winning formula,” Nunan said.
He added: “It's old-fashioned showbiz… When they cast a show correctly, or when they come up with an interesting enough concept, there's always an audience for these shows.”
