The Ultimatum: Marry or Move On

Emotions are high--and sparks fly--as the couples part then embark on the ultimate love challenge. Can they pick a new partner, with real potential?

Will attraction evolve into deeper connection? Selecting a live-in match makes for flirty fun--and hurt feelings. Time for a life-changing choice.

One shock follows another as an honest, tearful outburst leaves everyone speechless. Later, the accelerated trial unions kick off with pillow talk.

Love may be blossoming, but jealousy gets in the way. We're moving fast, so meet the racer dad. The truth stings as everyone trades notes over drinks.

After an evening of strained cocktail hours, couples cuddle--and implode. A forbidden meeting ends with drama as short-term spouses push each other.

Major feelings emerge at the changeover. Everyone's back with their original partners, but the transition might be bumpier than anyone ever imagined.

The couples spend tense and tearful last nights together. Then, jealousy brews as they begin mingling amongst each other to make connections.

For some, the sight of their ex dating others proves too much to bear. After a dramatic confrontation, everyone prepares to choose their live-in partner.

A stunning revelation shifts the group dynamics. Following the choice ceremony, the new couples move in together — there's no going back now.

From picnics and meeting parents to heart-to-heart conversations, the trial marriages continue. Which bonds will flourish, and which will fizzle?

Time to sip and tell: brutal honesty abounds over drinks at ladies and guys night, and as harsh opinions come to light, friction grows.

The fallout from cocktail hour changes several couples' perspectives. Strong words and hard truths are shared during an intense changeover.

The couples spend one last night together before becoming exes. Everyone gets their flirt on at speed dating, but later, jealousy crashes the party.

Sparks fly as the singles mingle and explore new bonds, but emotions run high when the time comes to select their trial partners.

After selecting their live-in match, the six new couples begin their three-week journey together. But the first 24 hours stir up intense emotions.

A shocking twist changes the group's dynamic, leaving some participants scrambling. Honesty plays a key role as the trial couples deepen their bonds.

As "The Changeover" looms, the new pairs meet friends and family. Tensions flare when the men and women separate for a night of drinking and real talk.

The final week of trial marriages wraps up with some feeling anxious about upcoming reunions. One participant ends up with a regrettable tattoo.