‘1,000-Lb. Sisters’: Tammy Finds Caleb’s Snack Stash (Exclusive)

In this exclusive sneak peek at “1,000-Lb. Sisters,” Tammy visits her husband Caleb while he’s in a health facility and finds out about his stash of snacks. “1,000-Lb. Sisters” airs Tuesdays at 9/8c on TLC.