A confident new contestant threatens a budding romance. During an unusual kissing challenge, the couples swap spit and surprise themselves.

The last challenge's winning couple picks new dates that make waves, and tension boils over between two women with eyes on the same guy.

Four people agree to a surprising partner swap, but will it cause heartache? An auction challenge has the couples betting on their chemistry.

After an eye-opening round of new dates, one seemingly solid pair falls apart while another decides to re-match for a second try.

First-date sparks fly during a spa treatment and fizzle at a wine tasting. The couples compete to squeeze out a win in a sopping wet sponge race.

A contestant's recent ex causes trouble in paradise. Two women start to have doubts about how compatible their matches really are.

In a first for the house, a potential same-sex couple hits it off at their first meeting. Someone who's been unlucky in love considers a big risk.

Chaos reigns in the villa as exes get jealous, a late-night make-out session causes conflict and old crushes make new comebacks.

The couples learn a lot about each other during the final compatibility challenge and frank conversations at the house. One contestant faces doubts.

After a dramatic night, the house gets ready to welcome back familiar faces for a party that will test how strong their bonds really are.

Last dates lead to emotional conversations and a huge surprise before the ultimate decision: who makes the most perfect match of all?