TV 'Extreme Weight Loss' Returns With 'Most Powerful Season Ever' By Raphael Chestang 6:22 PM PDT, April 29, 2015 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed CodeRestart Now playing Trainer Chris Powell is already calling the upcoming season of Extreme Weight Loss, the powerful season ever and ET has a sneak peek!NEWS: Extreme Weight Loss Brings On Doctor For New Season The clip shows twin contestants Robert and Raymond, who were without parents during their teenager years."When we were 13 years old, our mom was taken to prison," one of the twins says in the clip. NEWS: Extreme Weight Loss' Chris Powell Shares Horrifying Car Accident Pics"Our dad packed up all his stuff and left," said the other. "We were there all on our own."Co-host Heidi Powell praised the brothers for their positivity and dedication."It's nice to see how they push each other throughout the journey, instead of holding each other back like they did for so many years," Heidi said.NEWS: Extreme Weight Loss Trainer Welcomes BabyWhen the twins joined the show, they weighed close to 400 pounds each. Tune in for the new season to find out whether they accomplished their weight-loss goals.Extreme Weight Loss returns to ABC on Tuesday, May 26.Related GalleryBiggest Celebrity Weight Loss Transformations!