An all-nighter deals a blow to a fragile relationship. Can bruised feelings be soothed by a temp partner? Family weigh in with love on the line.

The episode was rated 6.89 from 36 votes.

Ultimatum Day arrives. Now the couples must decide whether they'll marry the love they know, reconnect with an attractive alternative — or walk away.

The episode was rated 6.86 from 37 votes.

Finally reunited, the original couples start a new round of marriages with fresh eyes. But the transition is bumpy — and even bitter — for some.

The episode was rated 6.83 from 18 votes.

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.

The episode was rated 6.76 from 21 votes.

Tears tarnish a bachelorette bash. Longtime loves try to listen and hold on to hope. The couples board the party bus to bond, awkwardly, at a winery.

The episode was rated 6.74 from 38 votes.

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 episode was rated 6.71 from 21 votes.

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

The episode was rated 6.71 from 21 votes.

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The episode was rated 6.67 from 21 votes.

With only three days of the experiment left, the couples consult with friends and family. Can romantic gestures and deep talks ease lingering doubts?

The episode was rated 6.60 from 20 votes.

After a historic finale, the group reunites with Nick and Vanessa for a heartfelt and heated sit-down about their experience and where they're at now.

The episode was rated 6.58 from 19 votes.