"ONE BIG HAPPY FAMILY" moves into TLC on Tuesday nights beginning December 29 at 9 PM (ET/PT.) This six-part series profiles the Coles, a close-knit family of four dealing with life as a morbidly obese household. Weighing in at a collective 1,400 pounds, each half-hour episode follows the family on their journey of self-improvementchronicling everything from their everyday struggles to the larger picture of why they overeatas they attempt to lose weight to ultimately save their family from dire health complications. (Source: TLC)