Carrie Underwood Is A Huge 'Cobra Kai' Fan, Which Explains That Cameo

• Season four of Netflix's nostalgia-infused karate saga Cobra Kai all revolved around the journey to the All-Valley Karate Tournament.

• It was an event that took up the two final episodes and was full of narrative twists.

• Among those was a surprise cameo by country singer Carrie Underwood in penultimate episode "The Fall."

Season four of Netflix's nostalgia-infused karate saga Cobra Kai all revolved around the journey to the All-Valley Karate Tournament.

Season four of Netflix's nostalgia-infused karate saga Cobra Kai all revolved around the journey to the All-Valley Karate Tournament, an event which took up the two final episodes and was full of narrative twists. Among those was a surprise cameo by country singer Carrie Underwood in penultimate episode "The Fall."

Underwood's appearance on the show was the payoff to a pre-established joke that the tournament's organizers consistently failed to find impressive guest stars, meaning that both viewers of Cobra Kai and its in-universe spectators were equally taken aback when the Grammy-winning American Idol winner was announced, and then went on to sing "The Moment of Truth," a song originally performed by Survivor on the soundtrack to 1984's The Karate Kid.

"I had so much fun being on the set and singing such a classic song... I grew up watching Daniel and Johnny, and I can't believe I actually get to be a small part of the legacy that is The Karate Kid," Underwood said in a statement once the fourth season dropped on Netflix. "Once I discovered Cobra Kai a few years ago, it became one of my favorite shows!"

While the song most associated with the Karate Kid movies is "You're the Best" by Joe Esposito, series creator Hayden Schlossberg explained that the team felt recreating that pop culture moment would be too on-the-nose, even for Cobra Kai, and they felt that "The Moment of Truth" would be less of a "copycat" moment. As for the choice of Underwood as a very special guest star? The creators had her in mind as soon as they saw that she'd been tweeting about the show.

"In the world of The Karate Kid, the All Valley Under 18 Karate Tournament is basically the Super Bowl — only it takes place in a gymnasium and the sponsors are local car dealers and sandwich shops," co-showrunner Jon Hurwitz told People. "We thought it would be funny if one of the characters who helps put on the event each year constantly talks about having a celebrity guest in attendance but never comes through, only to pull it off unexpectedly in a spectacular way this year."

"Carrie was absolutely amazing on set," he added. "It was a joy having her join us and seeing her get just as starstruck by our cast as they were by her!"

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