1000-lb Sisters Show Summary, Upcoming Episodes and TV Guide

Tammy, Amy and their siblings sit down to watch some of their most memorable clips from the past seasons and clapback at comments from viewers.

The family arrives in London for their first international vacation and learns even more surprising news about their ancestry; Tammy is pushed to her physical limits; a major meltdown puts the rest of the trip in jeopardy.

Tammy and Amy beef over their big night out, Chris and Amy see a genealogist and the results make the family consider taking a trip overseas, and the family decides to do a 5k but tempers quickly flare.

Chris gears up for his upcoming appointment with a plastic surgeon and encourages Tammy to tag along; Amy whips up dinner for the whole family; dinner gets thrown into chaos when one of the siblings drops some big news.

Tammy needs a new place to live but finds more problems than solutions; Amy makes a peace offering with some questionable ingredients.

Tammy takes small steps towards independence, Amy moves home but struggles with ghosts of the past, the sisters get new looks to go with their new attitude, and an upcoming Dr. Smith appointment has everyone on edge. 

Amanda reels after leaving dinner; Chris crosses something off his bucket list; Tammy tries to have fun but misses Caleb; fed up with her siblings critiquing her, Amy reaches her boiling point and explodes.

Caleb surprises Tammy with a romantic dinner date, but it goes south when Tammy learns what's on the menu; the Slatons attend a Zumba class together, but Amy's lack of self-care leads to a meltdown that has the whole family feeling déjà vu.

Amanda and Misty get big news and take a major step in their health journey; Amy and Tammy blow off some steam; Amy gets some devastating news from her lawyer that sends her reeling.

Tammy hosts a housewarming party and has a few choice words for her mom; Amy's world is turned upside down when she finally confronts Michael over his lack of help with raising their two boys; meanwhile, Caleb hasn't been honest with Tammy.

It's Tammy's wedding day; Amanda and Misty take Caleb to task over his true intentions; Amy struggles to get the venue decorated and keep her emotions in check; a wardrobe malfunction and a case of cold feet threaten to derail the nuptials.

Tammy wants to come home, but a setback causes a major blowup between her and the family; when a new man enters Tammy's life, all bets are off; Amy feels the stress of motherhood; Amanda contemplates a new chapter.

Amy feels from giving birth and finding out Michael has COVID-19; after 20 years, Chris gets back on the horse; Tammy is almost at the finish line for surgery approval, but worries she won't pass her final assessments.

After finding out Tammy's been robbed, Misty and Amanda visit to break the news in person; while Chris pushes ahead toward his surgery goal, Amy has a setback and is rushed to the ER; with her sisters by her side, Tammy faces the results of her weigh in.

Tammy's seemingly good progress inspires Amy to visit, reuniting the siblings for the first time in months; Amanda begins a new chapter in her life; Amy learns she's at risk of serious complications if she doesn't get her eating under control.

Amy sees a pediatric dietitian and faces some difficult truths about Gage's diet. Dr. Smith makes a house call and confronts Tammy about her partying lifestyle. While on the road with Chris, Tammy's health hits a dangerous low point.

After a rift on the family vacation, Amy returns home and drops a bomb on Tammy. While Amy focuses on her new life, Tammy makes a decision that takes her even further away from her weight-loss goals.

While Chris makes progress after his surgery, Tammy gets discouraging news; Amy plans a unique bash for Tammy's 35th birthday; the family excitedly plan their first vacation together with all five siblings, but concerns rise about Tammy's mobility.

Tammy must see a new therapist, but things don't go the way she'd hoped. Amy wants to lose her excess skin, but she gets bad news at the plastic surgeon's office. Chris faces the scale. If he's below 400 pounds, his surgery is on.

When Amy tries to get her house in order, she must confront some demons from her past. Tammy admits to a few cheat days just before her first doctor's appointment since rehab. Chris steps on the scale that could change his life.

Tammy is back from rehab, and Amy comes to a drastic decision regarding her sister. With his bariatric surgery on the line, Chris tries to shed weight.

Recovering from the coronavirus, Tammy now needs constant oxygen, and her weight spirals; Chris faces his final weigh-in; Amy makes a big decision about her future; with Tammy's romance heating up, the family takes matters into its own hands.

When Tammy and Amy go see a psychic, they both get disturbing news. The family rallies together, and they are willing to try anything to help Tammy lose weight. Amy must face her worst fears when she's rushed to the ER.

Tammy's boyfriend, Jerry, comes to visit just in time to celebrate the sisters' favourite holiday: Halloween. Tammy's sister Misty questions Jerry's intentions. Amy has to face another weigh-in after her concerning appointment with Dr. Procter.

The Slatons are shocked by the cause of Amy's trip to the emergency room. Plus, Tammy must step on the scales again after a month of not sticking to her diet.

The Slatons head back to Atlanta to see Dr. Proctor. Amy is worried about dropping the news that she got pregnant so soon after surgery, against doctor's orders. Tammy returns knowing she's gained all the weight back.

Amy undergoes gastric bypass surgery to change her life, but endangers herself by not sticking to the post-op diet. Tammy seeks support from her love interest, Jerry. Two months later, the sisters reveal the changes they've made.

After a stressful first month of dieting, the sisters head back to Atlanta for their one-month check in with Dr. Procter to find out if they are on the right path to their weight goals. The results force Amy to make a difficult decision.

Amy and Tammy go to Atlanta to meet Dr. Procter to discuss weight loss surgery. When they arrive, Dr. Procter gives Tammy a hefty weight loss goal before he will approve her for surgery, meanwhile the Dietician has more bad news for Amy.