Nick and Vanessa Lachey host this social experiment where single men and women look for love and get engaged, all before meeting in person.

Get hitched or call it quits? Couples put their love to the test — while shacking up with other potential matches — in a provocative reality series.

Four married couples try to save their marriages by entering into a social experiment. During this experiment, the four couples switch spouses and live with another participants spouse for two weeks as husband and wife.

The unique dating experiment lands in Sweden as local singles seek true love and propose marriage — all before seeing each other in person.

It may seem like an impossible feat to track down The One That Got Away, but in this time-traveling, experimental dating series hosted by Betty Who, six lucky Singles searching for their soulmate are given the chance to explore a lifetime of missed connections. One by one, people from our Singles’ past enter through The Portal to surprise them and take their shot at finding true love.

In this one-of-a-kind social experiment, four individuals attempt to find their perfect spouse via astrological matchmaking. Their romantic adventure takes place at a retreat run by a mystical guide, the Astro Chamber. They mingle, match, date, eliminate, and eventually make the biggest decision of their lives… will they marry their match based solely on their astrological compatibility?

Nine Americans with wildly diverse backgrounds and beliefs sail for twenty-one days on the Acali II to test whether they can put their differences aside and work together for the chance to win life-changing money.

Emma and Matt Willis host a social experiment where British singles look for love and get engaged before meeting in person. But who will say "I do"?