Description :
The Biggest Loser kicks off season 12 with two new trainers – renowned tennis star and certified trainer Anna Kournikova and fitness expert Dolvett Quince – joining Biggest Loser veteran Bob Harper. Under their supervision, 15 contestants come together hoping to transform their bodies, their health and ultimately, their lives.
| 1 | Episode #1201 | 1:25:35 | Watch | ||
| 2 | Episode #1202 | 1:25:03 | Watch | ||
| 3 | Episode #1203 | 1:25:01 | Watch | ||
| 4 | Episode #1204 | 1:25:10 | Watch | ||
| 5 | Episode #1205 | 1:25:02 | Watch | ||
| 6 | Episode #1206 | 1:25:30 | Watch | ||
| 7 | Episode #1207 | 1:25:36 | Watch | ||
| 8 | Episode #1208 | 1:25:39 | Watch | ||
| 9 | Episode #1209 | 1:25:07 | Watch | ||
| 10 | Episode #1210 | 1:25:34 | Watch | ||
| 11 | Where Are They Now?, Pts. 1 & 2 | 1:25:43 | Watch | ||
| 12 | Episode #1211 | 1:25:39 | Watch | ||
| 13 | Episode #1212 | 1:25:38 | Watch | ||
| 14 | Episode #1213 | 1:25:30 | Watch |
