Season
- Season 0 2007-09-04
- Season 1 2004-10-19
- Season 2 2005-09-13
- Season 3 2006-09-20
- Season 4 2007-09-11
- Season 5 2008-01-01
- Season 6 2008-09-16
- Season 7 2009-01-06
- Season 8 2009-09-15
- Season 9 2010-01-05
- Season 10 2010-09-21
- Season 11 2011-01-04
- Season 12 2011-09-20
- Season 13 2012-01-03
- Season 14 2013-01-06
- Season 15 2013-10-08
- Season 16 2014-09-11
- Season 17 2016-01-04
- Season 18 2020-01-28
Season 18 Episode
- Season 5 They Got Fat Together, Can They Get Thin Together?
- Season 5 Contestants Face Barbecue Temptation and Giant Seesaw Challenge!
- Season 5 Tensions Run High As This Week's Challenge Causes Rifts Among Players
- Season 5 One Outcast Duo Squares Off Against All the Rest
- Season 5 Surprise Escalator Challenge Changes the Game Forever
- Season 5 Celebrity Chef Rocco DiSpirito Guest Stars
- Season 5 Special Guest Appearance by Jillian's Mom
- Season 5 Contestants Reunited With Loved Ones
- Season 5 One Team Surprised With Trip to Vegas
- Season 5 Contestants Tackle One of the Biggest Challenges in Show's History
- Season 5 All Contestants Return to Ranch in Surprise Twist
- Season 5 Contestants Made Over by Fashion Guru Tim Gunn
- Season 5 Competition Heats Up With Only Six Contestants Left
- Season 5 Last Five Contestants Get Surprise Trip to Australia
- Season 5 Surprise Game-Changing Twist in Last Episode Before Live Finale
- Season 5 "Biggest Loser" Revealed in Season Finale
The Biggest Loser - Season 5 Episode 11 All Contestants Return to Ranch in Surprise Twist
5.50 90 minutes It's down to the six final contestants, but not for long. In a shocking twist, all fourteen of the players eliminated so far return to the ranch and surprise the six. At the weigh-in, the scale reveals how the eliminated contestants have done on their own at home, and the man and woman who have lost the most weight get to the return to the game.
