It's Meghan and Jon's wedding day; when she gets cold feet, she leans toward leaving Jon at the altar; Tina and Ashely are getting bariatric surgery on the same day; while Ashely is under the knife, Tina refuses to show up for her operation.

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The girls party in Savannah, Ga., for Meghan's bachelorette weekend, but the fun is interrupted by an unexpected hotel guest; when surgery day arrives, Ashely is terrified to have her second procedure; Tina's doubts throw her into a tailspin.

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The girls take on a monumental challenge, completing a 5K race with Dr. Procter; Meghan's bachelorette party in Savannah, Georgia, provides some fun debauchery, but a potential confrontation threatens to ruin the entire celebration.

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Fit Farm is finally over; Ashely and Tina meet with Dr. Procter to hopefully get approved for surgery; Meghan moves full speed ahead with choosing a wedding venue and picking her cake; Vannessa lets off steam riding a mechanical bull.

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The BFFs struggle with the rigors of Fit Farm; Ashely learns to push herself past her comfort zone; Vannessa realizes she's capable of more than she thought; Meghan faces uncomfortable truths about her upcoming wedding; Tina finally snaps.

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Meghan has a tough time finding a wedding dress that works; the girls go on a wellness retreat, and they're met with boot camp-like workouts that push them to their limits; Ashely breaks down in pain, threatening her weight loss goals.

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Ashely is anxious about her Dr. Procter appointment; Vannessa tries to get Jacob's weight loss on track; Tina and the gang move back into their home; Meghan focuses on getting wedding dress ready after announcing that she's getting married.

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Meghan opens her heart to Dr. Procter and gets back on track with her weight loss; living in a hotel pushes Tina to her breaking point; after Vannessa catches her sister enabling Jacob, she takes him to the doctor only to receive some upsetting news.

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Though anxious, Meghan thinks she's ready to confront Dr. Procter, but a meltdown in his office says otherwise; Ashely, now the biggest of the girls, uncovers some insight at a therapy session that may help her start losing weight.

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Vannessa reveals her post-surgery body, while Meghan struggles with stalled weight loss; Ashely hopes to get surgery and makes journals to help stay on track, but it gets thrown in her face; Tina's house floods.

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