A whirlwind proposal leads to a moment of truth, a pivotal ask comes with unclear intentions, and a body image conversation forges a strong connection.

After an unexpected admission, Shayne proposes — but to whom? Later, Mallory makes a heart-wrenching decision, and the engaged couples exit the pods.

In Mexico, the couples continue taking steps toward the altar... and deal with some not-so-sexy symptoms. At cocktail hour, former flings reconnect.

Time winds down in Mexico, but not before a tense post-party discussion, a playful group beach day, and a series of intimate revelations.

The couples bid farewell to paradise, head back to reality, reconnect with family and reexamine a host of hot topics with fresh eyes.

Shaina's comments spark a conversation between Shayne and Natalie. Later, the couples connect with more sweet — and skeptical — friends and family.

Mallory and Sal face fresh drama, Shake and Deeps dissect their chemistry, and later, special guests help the couples find wedding dresses and tuxes.

Emotions run high as the first wedding takes place — but not before final date nights, intimate conversations and bachelor and bachelorette parties.

Happily ever afters or heartbreaking goodbyes? The couples decide as the experiment comes to a close in the company of friends and family.

This season's singles and married couples gather round and get real with Nick and Vanessa, dissecting everything from I do's to I don'ts.

As one couple faces some challenges, others explore new romance. Danielle and Nick plan a group getaway for Natalie's 30th birthday.

An over-the-top, '80s-themed party creates an uncomfortable situation for Mallory and Sal. Things heat up when Shaina arrives with big news.

Iyanna and Jarrette meet with family for advice, while Sal turns to his own. Kyle and Deepti decide if they're ready for the next step.