Overview
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
Cast
More like this
Keywords
competitionoverweightdiethealthobesityexerciseweight lossreality competitionscale
Seasons
Specials4 episodes2007
Season 112 episodes2004
1
Episode 1: Pilot
2004-10-19
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2Episode 2
2004-10-26
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3Episode 3
2004-11-09
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4Episode 4: Red and Blue Teams Go to New Heights
2004-11-16
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5Episode 5: A Team Lightens Up Through Elimination
2004-11-23
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6Episode 6: Teams Trek to the Beach for a Challenge
2004-11-30
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7Episode 7: Biking Challenge
2004-12-07
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8Episode 8: Playing It Close to the Vest
2004-12-14
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9Episode 9: A Look Back Special
2004-12-21
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10Episode 10: Final Weigh-In At The Ranch
2005-01-04
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11Episode 11: Season Finale
2005-01-11
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12Episode 12: It Isn't Over Until It's Over
2005-01-18
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Season 212 episodes2005
1
Season Two Begins
2005-09-13
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2Straight and Narrow is Tough
2005-09-20
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3Hurt Bodies and Feelings
2005-09-27
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4What Happens in Vegas Buffets in Vegas
2005-10-04
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5Losing Teammates Instead of Weight Drags Down One Team
2005-10-11
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6High Anxiety
2005-10-18
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7Let's Do the Twist!
2005-10-25
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8Fancy Footwork from Pedicures to Pedicabs
2005-11-01
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9Jump Start
2005-11-08
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10Last One in the Pool is a Winner
2005-11-15
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11Scary Scale
2005-11-22
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12Season Two Finale
2005-11-29
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Season 313 episodes2006
1
Season Premiere
2006-09-20
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2The Biggest Loser Goes to the Beach
2006-09-27
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3Cruise Week
2006-10-04
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4Free Pass
2006-10-11
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5Gym Gone
2006-10-18
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6Tough Choices
2006-10-25
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7Duos
2006-11-01
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8They're Back
2006-11-08
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9Individuals
2006-11-15
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10All About the Holidays
2006-11-29
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11Back to School
2006-12-06
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12The Final Four
2006-12-06
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13Season Finale Live!
2006-12-13
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Season 415 episodes2007
1
Back to Basics
2007-09-11
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2The Secret Black Team is Revealed!
2007-09-18
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3The Pressure of Temptation
2007-09-25
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4Bidding Wars
2007-10-02
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5Surprise Getaway
2007-10-09
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6Lively Beach Competition
2007-10-16
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7Weigh-In Shocker
2007-10-23
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8Most Emotional Elimination So Far of the Season
2007-10-30
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9Biggest Losers Go Green
2007-11-06
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10A Taste of Home
2007-11-13
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11Memorable Makeovers
2007-11-20
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12Viewers Choose the Challenge
2007-11-27
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13A Slice of Temptation
2007-12-04
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14Five Remaining Players Compete for Spot on Finale
2007-12-11
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15"Biggest Loser" Revealed in Season Finale!
2007-12-18
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Season 516 episodes2008
1
They Got Fat Together, Can They Get Thin Together?
2008-01-01
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2Contestants Face Barbecue Temptation and Giant Seesaw Challenge!
2008-01-08
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3Tensions Run High As This Week's Challenge Causes Rifts Among Players
2008-01-15
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4One Outcast Duo Squares Off Against All the Rest
2008-01-22
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5Surprise Escalator Challenge Changes the Game Forever
2008-01-29
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6Celebrity Chef Rocco DiSpirito Guest Stars
2008-02-05
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7Special Guest Appearance by Jillian's Mom
2008-02-12
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8Contestants Reunited With Loved Ones
2008-02-19
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9One Team Surprised With Trip to Vegas
2008-02-26
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10Contestants Tackle One of the Biggest Challenges in Show's History
2008-03-04
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11All Contestants Return to Ranch in Surprise Twist
2008-03-11
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12Contestants Made Over by Fashion Guru Tim Gunn
2008-03-18
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13Competition Heats Up With Only Six Contestants Left
2008-03-25
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14Last Five Contestants Get Surprise Trip to Australia
2008-04-01
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15Surprise Game-Changing Twist in Last Episode Before Live Finale
2008-04-08
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16"Biggest Loser" Revealed in Season Finale
2008-04-15
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Season 614 episodes2008
1
Husband-Wife and Parent-Child Teams
2008-09-16
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2Chef Rocco DiSpirito
2008-09-23
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3Grand Canyon
2008-09-30
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4Toughest Challenge Yet
2008-10-07
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5Surprising Weigh-In
2008-10-08
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6Longest Challenge Ever
2008-10-14
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7Unusual Workouts
2008-10-21
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8Record-Breaking Weigh-In
2008-10-28
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9Week of Surprises
2008-11-11
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10'80s Week
2008-11-18
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11Thanksgiving week
2008-11-25
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12Makeover Episode
2008-12-02
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13Final Four
2008-12-09
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14Finale!
2008-12-16
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Season 721 episodes2009
1
Season Premiere
2009-01-06
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2Bob goes angry
2009-01-13
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3Temptations suck
2009-01-20
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4Super Bowl
2009-01-27
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5Home Team Weigh-In
2009-02-03
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6The Biggest Loser Season 7 Episode 6
2009-02-10
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7Gym Keys
2009-02-17
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8Black and Blue Part 1
2009-02-24
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9Black and Blue Part 2
2009-02-25
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10Chef Rocco DiSpirito
2009-03-03
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1124 Hour Fitness Relay Race
2009-03-10
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12Contestants Go Home for a Week and Complete Half-Marathons
2009-03-17
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13The Teams Split Up
2009-03-24
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14Blast from the Past
2009-03-31
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15Only One Vote
2009-04-07
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16The Makeover Episode
2009-04-14
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17Trivia Quiz
2009-04-21
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18Contestants Get to Train Their Trainers!
2009-04-28
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19Running a Full Marathon!
2009-05-05
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20Finale
2009-05-12
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21Finale Part 2
2009-05-12
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: second chances13 episodes2009
1
Week 1
2009-09-15
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2The Biggest Loser: Couples Season 8 Episode 2
2009-09-22
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3Week 3
2009-09-29
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4Week 4
2009-10-06
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5Season 8, Episode 5
2009-10-13
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6Week 6
2009-10-20
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7Week Seven
2009-10-27
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8Week Eight
2009-11-03
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9Week 9
2009-11-10
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10Week 10
2009-11-17
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11Week 11
2009-11-24
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12Week 12
2009-12-01
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13Season 8 Finale
2009-12-08
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Season 919 episodes2010
1
Week One
2010-01-05
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2The Biggest Loser Season 9 - Week Two
2010-01-12
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3Week 3
2010-01-19
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4Season 9, Episode 4
2010-01-26
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5Season 9, Episode 5
2010-02-02
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6Season 9, Episode 6
2010-02-09
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7Season 9, Episode 7
2010-03-02
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8Season 9, Episode 8
2010-03-09
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9Season 9, Episode 9
2010-03-16
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10Week 10
2010-03-23
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11Season 9, Episode 11
2010-03-30
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12Week 12
2010-04-06
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13Season 9, Episode 13
2010-04-13
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14Season 9, Episode 14
2010-04-20
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15Season 9, Episode 15
2010-04-27
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16Season 9, Episode 16
2010-05-04
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17Season 9, Episode 17
2010-05-11
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18Season 9, Episode 18
2010-05-18
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19Season 9 Finale
2010-05-25
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Season 1013 episodes2010
1
Week 1
2010-09-21
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2Week 2
2010-09-28
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3Week 3
2010-10-05
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4Week 4
2010-10-12
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5Week 5
2010-10-19
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6Week 6
2010-10-26
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7Week 7
2010-11-02
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8Week 8
2010-11-09
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9Week 9
2010-11-16
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10Week 10
2010-11-23
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11Week 11
2010-11-30
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12Week 12
2010-12-07
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13Week 13
2010-12-14
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Season 1121 episodes2011
1
Week 1
2011-01-04
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2Week 2
2011-01-11
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3Week 3
2011-01-18
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4Week 4
2011-01-25
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5Week 5
2011-02-01
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6Week 6
2011-02-08
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7Week 7
2011-02-15
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8Week 8
2011-02-22
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9Week 9
2011-03-01
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10Week 10
2011-03-08
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11Week 11
2011-03-15
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12Week 12
2011-03-22
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13Week 13
2011-03-29
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14Week 14
2011-04-05
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15Week 15
2011-04-12
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16Week 16
2011-04-19
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17Week 17
2011-04-26
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18Week 18 “Makeover Week”
2011-05-03
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19Week 19
2011-05-10
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20Week 20
2011-05-17
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21Week 21
2011-05-24
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Season 1213 episodes2011
1
Week 1
2011-09-20
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2Week 2
2011-09-27
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3Week 3
2011-10-04
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4Week 4
2011-10-11
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5Week 5
2011-10-18
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6Week 6
2011-10-25
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7Week 7
2011-11-01
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8Week 8
2011-11-08
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9Week 9
2011-11-15
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10Week 10
2011-11-22
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11Week 11 - Makeover Week
2011-11-29
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12Week 12
2011-12-06
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13Week 13 - Finale
2011-12-13
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Season 1318 episodes2012
1
Week 1
2012-01-03
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2Week 2
2012-01-10
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3Week 3
2012-01-17
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4Week 4
2012-01-24
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5Week 5
2012-01-31
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6Week 6
2012-02-07
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7Week 7
2012-02-14
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8Week 8
2012-02-21
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9Week 9
2012-02-28
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10Week 10
2012-03-06
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11Week 11
2012-03-13
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12Week 12
2012-03-20
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13Week 13
2012-03-27
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14Week 14
2012-04-03
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15Week 15
2012-04-10
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16Week 16
2012-04-17
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17Week 17
2012-04-24
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18Week 18 - Finale
2012-05-01
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Season 1412 episodes2013
1
We're Back ... And So Is Jillian
2013-01-06
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2Keep Moving
2013-01-07
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3Cut the Junk
2013-01-14
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4Pay It Forward
2013-01-21
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5Waist & Money
2013-01-28
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6Lead by Example
2013-02-04
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7Tough Love
2013-02-11
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8Work Together
2013-02-18
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9Face Your Fears
2013-02-25
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10Make a Difference (Makeover Week)
2013-03-04
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11Down to the Wire
2013-03-11
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12Live Finale
2013-03-18
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Season 1515 episodes2013
1
The Biggest Loser Season 15 Episode 1
2013-10-08
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2A Game of Chance
2013-10-22
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3The Auction
2013-10-29
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4Trick or Treat
2013-11-05
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5The Cook-Off
2013-11-12
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6Episode 6
2013-11-19
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7Thanksgiving
2013-11-26
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8Take a Trainer Home
2013-12-03
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9Workplace Obesity
2013-12-10
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10Episode 10
2013-12-17
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11Who Gets a Second Chance Back?
2014-01-07
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12Winter Olympics
2014-01-14
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13Makeover Week
2014-01-21
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14Triathlon
2014-01-28
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15Finale
2014-02-04
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Season 1618 episodes2014
1
Opening Day
2014-09-11
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2The Knockout
2014-09-18
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3Double Header
2014-09-25
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4The Lottery
2014-10-02
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5Sidelined
2014-10-09
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6The Tailgate
2014-10-16
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7The Drop
2014-10-23
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8Penalty Box
2014-10-30
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9Yes, Coach!
2014-11-06
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10Free Agents
2014-11-13
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11No "I" in Team
2014-11-20
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12The Playoffs
2014-12-11
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13Kauai Part 1
2014-12-18
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14Kauai Part 2
2015-01-01
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15Makeover Week
2015-01-08
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16The Comeback
2015-01-15
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17End Zone
2015-01-22
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18Live Finale
2015-01-29
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Season 178 episodes2016
1
Money Hungry
2016-01-04
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2Taste Test / Keep On Truckin'
2016-01-11
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3Hooked On 'Tronics / The Big Switch
2016-01-18
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4Ready? Set. Auction!; Ship Shape
2016-01-25
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5Homeward Bound/Real World Problems
2016-02-01
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6Makeover Week
2016-02-08
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7I Got The Power/The Final Cut
2016-02-15
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8Live Finale
2016-02-22
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Season 1810 episodes2020
1
Time for Change
2020-01-28
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2A Big Loss
2020-02-04
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3Supporting the Team
2020-02-11
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4Messages from Home
2020-02-18
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5Diving In
2020-02-25
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6Overcoming Obstacles
2020-02-27
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7Going Solo
2020-03-10
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8Boosting Morale
2020-03-17
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9Final Four
2020-03-24
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10Finale
2020-03-31
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Added: 5/14/2026Updated: 6/3/2026