The Ultimatum: Marry or Move On is a dating reality television series created by Chris Coelen and produced by Kinetic Content that premiered on Netflix on April 6, 2022. The show is hosted by Nick and Vanessa Lachey.

The series has aired for three seasons. An international version The Ultimatum: France premiered in 2022. A spin-off series The Ultimatum: Queer Love premiered in 2023.

The Ultimatum is a self-proclaimed social experiment that wants to see how many couples will get married when presented with ultimatums. The show features couples on the verge of marriage. Each pair has eight weeks to decide whether they want to get married or split forever. Couples will later be split up as they choose new partners from the rest of the group, and then move in with them for three weeks for a trial marriage. Then they move in with their original partners for three weeks for a second trial marriage.

Zay Wilson competed on the first season of Perfect Match. Jake Cunningham competed on the second season. J.R. Warren and Sandy Gallagher competed on the third season.

Season one of the series was filmed in various locations in Austin, Texas. The first week the contestants spent dating each other was filmed at the Marriott Downtown Hotel in the city, while the rest of the series was filmed at the Aloft Austin Downtown Hotel.

Filming started in May 2021 and lasted for eight weeks with the reunion being filmed later.

Season two of the series was filmed in Charlotte, North Carolina from September 2022 to November 2022.

Season three was filmed in Downtown Phoenix, Arizona.