Things begin in Washington, D.C., to kick off an in-depth exploration of the matchmaking process; for the first time ever, the three experts meet to match five compatible couples.
Five couples have only two weeks to plan their weddings, celebrate their final days of being single, and reveal to their family and friends that they are getting married to a stranger.
Five couples get ready to walk down the aisle; while the first three couples celebrate their marriages with the help of family and friends, two couples still remain to take the giant leap of faith.
All five couples dance the night away at their wedding receptions, before spending their first night together as husband and wife.
After waking up next to someone they met less than 24 hours ago, each spouse will meet individually with their new stranger in-laws, before being whisked away on their honeymoon in Panama.
Some of the newlyweds live out their fairy-tale love story on the tropical beaches of Panama, while other couples get off to a rocky start; tensions rise as three couples struggle to find common ground with their stranger spouses.
Four pairs of newlyweds make the most of their honeymoon with a romantic catamaran trip, while one couple remains on shore to heal their fractured marriage; despite sunny skies, there are rough seas ahead for two pairs of stranger spouses.
With the thrill of the honeymoon over, five pairs of newlyweds return to Washington, D.C., to begin living together; the pressure of moving in proves to be too much for two couples, while others enjoy discovering new surprises about their new spouse.
Four pairs of newlyweds settle into married life in their new homes, while one pair struggles to find its footing; some friends are thrilled to hear how well married life is going, while others refuse to keep quiet about their concerns.
After marrying a stranger, five couples grow toward love with their stranger spouse by planning romantic surprises; for one couple, an unexpected surprise might be the final straw for their marriage.
As five pairs of newlyweds adjust to married life in their own ways, the group attends a cooking class together; while passion heats up between some couples, one couple completely melts down.
One-month wedding anniversaries are celebrated as the experiment reaches the crucial halfway point; while some couples walk hand-in-hand toward a future together, others worry that this first milestone may be the only anniversary they ever celebrate.
All five couples sit down to take a hard look at their marriages and decide what it will take for them to stay committed until decision day; some couples can't wait to recommit, but for others the deal breakers may prove too much to handle.
The five married couples must embrace vulnerability, revisit their past, and expose their deepest truths; some discover new sparks, while others find themselves ready to walk away completely.
After one couple reaches the end of the road in their marriage, the remaining four couples go on a retreat where close quarters force them to confront their issues; tempers flare as the clock winds down to Decision Day.
As the eight-week experiment draws to a close and Decision Day looms, the four remaining couples have just a few days left to do some final soul-searching, consult with friends and family, and decide if they want to stay married or get a divorce.
The eight-week experiment comes to an end, as the five couples sit down with the experts to decide whether to stay married or get a divorce; some couples have their eyes on the future, while other couples are determined to get answers about the past.
Five months after decision day, the five Washington, D.C., couples who got married at first sight reunite to look back on the good times and the hard times, discuss the ups and downs of their marriage, and reveal if they are still married.