Chris Harrison’s highly anticipated return to reality television has erupted into a bitter Hollywood showdown, with his former bosses at The Bachelor accusing his new dating show of copying their famous franchise.

Now, the former host is firing back, suggesting the legal threats are personal as tensions between Fox Nation and Warner Bros. Television continue to escalate.

The controversy centers on Harrison’s upcoming series, The Vow, which is scheduled to premiere November 11. Warner Bros., the studio behind The Bachelor, sent Fox Nation and Lionsgate Alternative Television a cease-and-desist letter accusing the show’s promotional campaign of improperly using recognizable elements of the long-running dating franchise.

At the center of the dispute is something Bachelor fans know all too well: red roses.

A teaser released September 16 features falling rose petals, an elegant mansion and references to “The Bachelor.” Harrison then makes a dramatic appearance, tossing a rose onto the ground before delivering a pointed message.

“Roses fade, true love lasts forever,” he declares, stepping past the flower.

Warner Bros. apparently wasn’t amused.

Just two days after the teaser debuted, the studio sent a legal warning arguing that the imagery was designed to capitalize on The Bachelor’s established reputation and recognizable branding.

The company specifically objected to the rose imagery, the appearance of a mansion resembling the famous Bachelor Mansion and the promotional use of the words “The Bachelor.”

However, Warner Bros. emphasized that it had no objection to Harrison hosting another dating show. Its complaint focused on how the new series was being promoted, not the program’s existence.

Fox Nation responded with a blistering rejection of the accusations, arguing that Warner Bros. does not own the concept of falling rose petals or the ordinary use of the word “bachelor” to describe an unmarried man.

Fox’s attorneys also argued that Harrison’s decision to discard the rose was intended to parody familiar dating-show traditions rather than copy them.

The response took an especially personal turn when Fox accused Warner Bros. of targeting Harrison in a “malicious and vindictive manner.”

Harrison, 55, has since weighed in himself, telling USA TODAY that the legal dispute feels personal.

“I don’t see them going after the 50, 60, 70 other relationship dating shows that have come on in the time that I was there or since I left,” Harrison said.

“There’s been one show that they’ve gone after. Is that a coincidence? You be the judge.”

The confrontation carries additional weight because of Harrison’s complicated history with the franchise that made him a household name.

He hosted The Bachelor and its spinoffs from 2002 until 2021, when he departed following controversy over comments defending contestant Rachael Kirkconnell amid criticism of her attendance at a 2018 antebellum-themed party.

Five years later, Harrison is preparing to reclaim his place in the dating-show spotlight, but this time on a competing platform.

And Fox Nation is making a particularly bold promotional move.

Despite the legal objections, advertisements for The Vow are reportedly scheduled to air on local ABC stations in major markets, including New York, Los Angeles, Chicago and Dallas, during the show’s premiere week.

That means Harrison’s comeback could be advertised on stations affiliated with the very network that helped make him famous.

As for the new series, The Vow will follow 30-year-old Oregon mortgage loan officer Jace Cates as he dates 10 women searching for lasting love and marriage. The six-episode series will emphasize shared values, commitment and compatibility.

Harrison and his wife, entertainment correspondent Lauren Zima, are also serving as executive producers.

The show premieres November 11 on Fox Nation, with new episodes scheduled to arrive weekly through December 9.

For now, the confrontation remains a dispute over promotional rights, with Warner Bros. issuing a cease-and-desist demand and Fox rejecting its allegations. No court ruling has established that the new series infringes on The Bachelor’s intellectual property.

But one thing is already clear: Harrison’s return to the dating-show world has generated nearly as much off-camera drama as the franchise he once hosted.