The remaining couples weigh doubts and dreams as they decide whether to commit to their futures together — or walk away alone.

Five newly minted pairs of fiancés arrive at a luxurious resort in Mexico, where things go swimmingly for some while others struggle to stay afloat.

An intense pool party conversation has a lasting ripple effect during the next day's dates. One couple's doubts lead to a drastic decision.

Family meetings stir up anxiety and excitement. Two couples negotiate their potential living situations, and a date leads to a life-changing question.

As one couple commits to moving forward, another navigates heartbreaking realizations. An unexpected guest at a birthday event causes friction.

Introductions to friends and family continue. With just a week until weddings, the soon-to-be spouses go shopping--but one person shockingly opts out.

In a situation where romantic rivals are also roommates, hard choices lead to some hard feelings. Two couples take the plunge and get engaged.

As the couples get settled back in Seattle, one suitor hopes his change of heart hasn't come too late. A confession causes tension between friends.

As single Seattleites begin a new round of voice-only dating, intersecting love triangles take shape that may lead to heartache down the line.

One woman's decision devastates her fiancé. After stripping down on a date, Kwame opens up about doubts. Tiffany feels the pressure of wedding planning.

More proposals lead to eye-opening and emotional first meetings. One man wrestles with a painful decision between two very different women.

The future brides and grooms work through pre-wedding jitters at separate parties. The first couple to make their final decisions arrives at the altar.

The contestants face off in a flag football game that offers chaos and catharsis, while a party prompts apologies — and incendiary new accusations.

Three committed couples reunite in Seattle to celebrate a year of marriage. Elsewhere, Micah wrestles with mixed emotions as Paul tries to move forward.

Marshall introduces someone special to Tiffany and Brett. Chelsea and Kwame's families gather for a joyous occasion. Jackie and Josh make a big move.

In this reunion special, the Season 4 cast dishes on love, life and lessons learned after saying “I do” — or “don’t.”