It's Josiah and Lauren's wedding day, and the happy couple is eager to walk down the aisle and finally share their first kiss. But with Josiah being the family prankster and the brothers out for revenge, is the couple prepared for some shenanigans?

With the due date near, Jinger and Jeremy get ready to meet baby Vuolo. Meanwhile, John whisks Abbie away on a surprise trip to ask for her hand in marriage. Later, Jinger's labor takes an unexpected turn.

The Kleins are headed back to China, this time with all 6 grandparents in tow! It\'s an emotional trip as Will and the family learn more about his birth country. Will takes part in a Confucius school and the family tries a traditional Chinese meal.

The trip to China continues as the Klein family visits the Forbidden City and takes an immersive lesson in Chinese cooking. Then, the family climbs to the top of the Great Wall and reflects on what life could have been without Will.

650-lb Melissa begins her seven-year weight loss journey.

650-lb Melissa struggles to get to her ideal weight.

Love motivates 660-lb Donald to begin his weight loss journey.

750-lb Henry begins his weight loss journey in the hopes of transforming himself in time to attend his high school reunion.

Ashley's career was derailed after she was let go due to her excessive weight. Will she be able to turn her life around and achieve her goal of owning a childcare facility?

Twins Kandi & Brandi have a combined weight totaling over 1100lbs. These inseparable twins fear losing each other to obesity, so they make a change together. But a life-threatening event during weight loss surgery recovery may separate them forever.

At 670 pounds Ashley must live in her parents' home with her husband. Desperate to save her life and her marriage, she decides it's time for a drastic change. Can weight loss surgery save her life?

Cynthia is a 610-lb single mother raising five kids. She's been focused on her children, but now realizes what her death would mean for them. As she battles her emotions & the pressures of life, she is forced to fight harder to save her own life.

Weighing over 600-lbs Kirsten is close to losing her mobility. While she's trying to get control of her obesity she's also in danger of losing her troubled son. She must regain her health in order to be the best mother she can to care for her son.

After overcoming a dependence on drugs & alcohol, sneaking food is 660-lb Doug's last remaining vice. Can this husband, and father of 3 overcome his addictive personality and take control of his eating habits in order to save his life & his marriage?

At 661 lbs, Erica regrets not keeping a promise to her mom. She hopes her siblings will help but they are reluctant based on past failures. Each meal threatens Erica's worst fear coming true; dying the same way she lives, alone & surrounded by food.

Diana, a once thin & active woman, is now a prisoner to her 620lb body. Desperate to break free of her food addiction, she trades the comfort of her home for a weight loss journey under the strict authority of her niece in order to regain her life.