The Ultimatum: Marry or Move On: Season 4

Six new couples arrive to test their relationships, but flirtations during speed dating and cocktail hour unleash jealousy on day one.

Money. Sex. Killer whales. No topic is off limits across a week of dates as the exes decide who they see a future with before making their choice.

Two participants send shockwaves through the choice ceremony. When the dust settles, the new couples move in together for three weeks of trial marriage.

Two couples break the rules and clash face-to-face in a dramatic showdown as jealousy and betrayal dominate the start of their trial marriages.

Drama runs amok when a contestant must answer for what they've said. Later, truths emerge at Guys Night, and the women take sides at Ladies Night.

As the turbulent month wraps up with a volatile changeover ceremony, some couples are ready to return to normal while others aren't so sure.

Building on the trial marriages, everyone brings new perspectives to their original partners. But clashing love languages threaten one couple's future.

With only two weeks to go, the couples get a fresh look at their old relationships when they meet with their families in preparation for ultimatum day.

After two months of emotional reckoning, the couples must take the leap and decide if their ultimatum ends in wedding bells or a tearful breakup.

Where are they now? The couples air big feelings, unfinished business and stunning developments during their first sit-down since Ultimatum Day.