The Biggest Loser

(2004)•

5.4

The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.

Seasons

263

Episodes

Canceled

Status

October 19, 2004

First Aired

Season Ratings

4.0→4.0

IMDb

Networks: NBC

Genres: Reality

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Season 1

12 episodes • 2004

#	Episode	Air Date
1	Episode 1: Pilot	Oct 19, 2004
2	Episode 2	Oct 26, 2004
3	Episode 3	Nov 9, 2004
4	Episode 4: Red and Blue Teams Go to New Heights	Nov 16, 2004
5	Episode 5: A Team Lightens Up Through Elimination	Nov 23, 2004
6	Episode 6: Teams Trek to the Beach for a Challenge	Nov 30, 2004
7	Episode 7: Biking Challenge	Dec 7, 2004
8	Episode 8: Playing It Close to the Vest	Dec 14, 2004
9	Episode 9: A Look Back Special	Dec 21, 2004
10	Episode 10: Final Weigh-In At The Ranch	Jan 4, 2005
11	Episode 11: Season Finale	Jan 11, 2005
12	Episode 12: It Isn't Over Until It's Over	Jan 18, 2005

Season 2

12 episodes • 2005

#	Episode	Air Date
1	Season Two Begins	Sep 13, 2005
2	Straight and Narrow is Tough	Sep 20, 2005
3	Hurt Bodies and Feelings	Sep 27, 2005
4	What Happens in Vegas Buffets in Vegas	Oct 4, 2005
5	Losing Teammates Instead of Weight Drags Down One Team	Oct 11, 2005
6	High Anxiety	Oct 18, 2005
7	Let's Do the Twist!	Oct 25, 2005
8	Fancy Footwork from Pedicures to Pedicabs	Nov 1, 2005
9	Jump Start	Nov 8, 2005
10	Last One in the Pool is a Winner	Nov 15, 2005
11	Scary Scale	Nov 22, 2005
12	Season Two Finale	Nov 29, 2005

Season 3

13 episodes • 2006

#	Episode	Air Date
1	Season Premiere	Sep 20, 2006
2	The Biggest Loser Goes to the Beach	Sep 27, 2006
3	Cruise Week	Oct 4, 2006
4	Free Pass	Oct 11, 2006
5	Gym Gone	Oct 18, 2006
6	Tough Choices	Oct 25, 2006
7	Duos	Nov 1, 2006
8	They're Back	Nov 8, 2006
9	Individuals	Nov 15, 2006
10	All About the Holidays	Nov 29, 2006
11	Back to School	Dec 6, 2006
12	The Final Four	Dec 6, 2006
13	Season Finale Live!	Dec 13, 2006

Season 4

15 episodes • 2007

#	Episode	Air Date
1	Back to Basics	Sep 11, 2007
2	The Secret Black Team is Revealed!	Sep 18, 2007
3	The Pressure of Temptation	Sep 25, 2007
4	Bidding Wars	Oct 2, 2007
5	Surprise Getaway	Oct 9, 2007
6	Lively Beach Competition	Oct 16, 2007
7	Weigh-In Shocker	Oct 23, 2007
8	Most Emotional Elimination So Far of the Season	Oct 30, 2007
9	Biggest Losers Go Green	Nov 6, 2007
10	A Taste of Home	Nov 13, 2007
11	Memorable Makeovers	Nov 20, 2007
12	Viewers Choose the Challenge	Nov 27, 2007
13	A Slice of Temptation	Dec 4, 2007
14	Five Remaining Players Compete for Spot on Finale	Dec 11, 2007
15	"Biggest Loser" Revealed in Season Finale!	Dec 18, 2007

Season 5

16 episodes • 2008

#	Episode	Air Date
1	They Got Fat Together, Can They Get Thin Together?	Jan 1, 2008
2	Contestants Face Barbecue Temptation and Giant Seesaw Challenge!	Jan 8, 2008
3	Tensions Run High As This Week's Challenge Causes Rifts Among Players	Jan 15, 2008
4	One Outcast Duo Squares Off Against All the Rest	Jan 22, 2008
5	Surprise Escalator Challenge Changes the Game Forever	Jan 29, 2008
6	Celebrity Chef Rocco DiSpirito Guest Stars	Feb 5, 2008
7	Special Guest Appearance by Jillian's Mom	Feb 12, 2008
8	Contestants Reunited With Loved Ones	Feb 19, 2008
9	One Team Surprised With Trip to Vegas	Feb 26, 2008
10	Contestants Tackle One of the Biggest Challenges in Show's History	Mar 4, 2008
11	All Contestants Return to Ranch in Surprise Twist	Mar 11, 2008
12	Contestants Made Over by Fashion Guru Tim Gunn	Mar 18, 2008
13	Competition Heats Up With Only Six Contestants Left	Mar 25, 2008
14	Last Five Contestants Get Surprise Trip to Australia	Apr 1, 2008
15	Surprise Game-Changing Twist in Last Episode Before Live Finale	Apr 8, 2008
16	"Biggest Loser" Revealed in Season Finale	Apr 15, 2008

Season 6

14 episodes • 2008

#	Episode	Air Date
1	Husband-Wife and Parent-Child Teams	Sep 16, 2008
2	Chef Rocco DiSpirito	Sep 23, 2008
3	Grand Canyon	Sep 30, 2008
4	Toughest Challenge Yet	Oct 7, 2008
5	Surprising Weigh-In	Oct 8, 2008
6	Longest Challenge Ever	Oct 14, 2008
7	Unusual Workouts	Oct 21, 2008
8	Record-Breaking Weigh-In	Oct 28, 2008
9	Week of Surprises	Nov 11, 2008
10	'80s Week	Nov 18, 2008
11	Thanksgiving week	Nov 25, 2008
12	Makeover Episode	Dec 2, 2008
13	Final Four	Dec 9, 2008
14	Finale!	Dec 16, 2008

Season 7

21 episodes • 2009

#	Episode	Air Date
1	Season Premiere	Jan 6, 2009
2	Bob goes angry	Jan 13, 2009
3	Temptations suck	Jan 20, 2009
4	Super Bowl	Jan 27, 2009
5	Home Team Weigh-In	Feb 3, 2009
6	The Biggest Loser Season 7 Episode 6	Feb 10, 2009
7	Gym Keys	Feb 17, 2009
8	Black and Blue Part 1	Feb 24, 2009
9	Black and Blue Part 2	Feb 25, 2009
10	Chef Rocco DiSpirito	Mar 3, 2009
11	24 Hour Fitness Relay Race	Mar 10, 2009
12	Contestants Go Home for a Week and Complete Half-Marathons	Mar 17, 2009
13	The Teams Split Up	Mar 24, 2009
14	Blast from the Past	Mar 31, 2009
15	Only One Vote	Apr 7, 2009
16	The Makeover Episode	Apr 14, 2009
17	Trivia Quiz	Apr 21, 2009
18	Contestants Get to Train Their Trainers!	Apr 28, 2009
19	Running a Full Marathon!	May 5, 2009
20	Finale	May 12, 2009
21	Finale Part 2	May 12, 2009

: second chances

13 episodes • 2009

#	Episode	Air Date
1	Week 1	Sep 15, 2009
2	The Biggest Loser: Couples Season 8 Episode 2	Sep 22, 2009
3	Week 3	Sep 29, 2009
4	Week 4	Oct 6, 2009
5	Season 8, Episode 5	Oct 13, 2009
6	Week 6	Oct 20, 2009
7	Week Seven	Oct 27, 2009
8	Week Eight	Nov 3, 2009
9	Week 9	Nov 10, 2009
10	Week 10	Nov 17, 2009
11	Week 11	Nov 24, 2009
12	Week 12	Dec 1, 2009
13	Season 8 Finale	Dec 8, 2009

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Season 9

19 episodes • 2010

#	Episode	Air Date
1	Week One	Jan 5, 2010
2	The Biggest Loser Season 9 - Week Two	Jan 12, 2010
3	Week 3	Jan 19, 2010
4	Season 9, Episode 4	Jan 26, 2010
5	Season 9, Episode 5	Feb 2, 2010
6	Season 9, Episode 6	Feb 9, 2010
7	Season 9, Episode 7	Mar 2, 2010
8	Season 9, Episode 8	Mar 9, 2010
9	Season 9, Episode 9	Mar 16, 2010
10	Week 10	Mar 23, 2010
11	Season 9, Episode 11	Mar 30, 2010
12	Week 12	Apr 6, 2010
13	Season 9, Episode 13	Apr 13, 2010
14	Season 9, Episode 14	Apr 20, 2010
15	Season 9, Episode 15	Apr 27, 2010
16	Season 9, Episode 16	May 4, 2010
17	Season 9, Episode 17	May 11, 2010
18	Season 9, Episode 18	May 18, 2010
19	Season 9 Finale	May 25, 2010

Season 10

13 episodes • 2010

#	Episode	Air Date
1	Week 1	Sep 21, 2010
2	Week 2	Sep 28, 2010
3	Week 3	Oct 5, 2010
4	Week 4	Oct 12, 2010
5	Week 5	Oct 19, 2010
6	Week 6	Oct 26, 2010
7	Week 7	Nov 2, 2010
8	Week 8	Nov 9, 2010
9	Week 9	Nov 16, 2010
10	Week 10	Nov 23, 2010
11	Week 11	Nov 30, 2010
12	Week 12	Dec 7, 2010
13	Week 13	Dec 14, 2010

Season 11

21 episodes • 2011

#	Episode	Air Date
1	Week 1	Jan 4, 2011
2	Week 2	Jan 11, 2011
3	Week 3	Jan 18, 2011
4	Week 4	Jan 25, 2011
5	Week 5	Feb 1, 2011
6	Week 6	Feb 8, 2011
7	Week 7	Feb 15, 2011
8	Week 8	Feb 22, 2011
9	Week 9	Mar 1, 2011
10	Week 10	Mar 8, 2011
11	Week 11	Mar 15, 2011
12	Week 12	Mar 22, 2011
13	Week 13	Mar 29, 2011
14	Week 14	Apr 5, 2011
15	Week 15	Apr 12, 2011
16	Week 16	Apr 19, 2011
17	Week 17	Apr 26, 2011
18	Week 18 “Makeover Week”	May 3, 2011
19	Week 19	May 10, 2011
20	Week 20	May 17, 2011
21	Week 21	May 24, 2011

Season 12

13 episodes • 2011

#	Episode	Air Date
1	Week 1	Sep 20, 2011
2	Week 2	Sep 27, 2011
3	Week 3	Oct 4, 2011
4	Week 4	Oct 11, 2011
5	Week 5	Oct 18, 2011
6	Week 6	Oct 25, 2011
7	Week 7	Nov 1, 2011
8	Week 8	Nov 8, 2011
9	Week 9	Nov 15, 2011
10	Week 10	Nov 22, 2011
11	Week 11 - Makeover Week	Nov 29, 2011
12	Week 12	Dec 6, 2011
13	Week 13 - Finale	Dec 13, 2011

Season 13

18 episodes • 2012

#	Episode	Air Date
1	Week 1	Jan 3, 2012
2	Week 2	Jan 10, 2012
3	Week 3	Jan 17, 2012
4	Week 4	Jan 24, 2012
5	Week 5	Jan 31, 2012
6	Week 6	Feb 7, 2012
7	Week 7	Feb 14, 2012
8	Week 8	Feb 21, 2012
9	Week 9	Feb 28, 2012
10	Week 10	Mar 6, 2012
11	Week 11	Mar 13, 2012
12	Week 12	Mar 20, 2012
13	Week 13	Mar 27, 2012
14	Week 14	Apr 3, 2012
15	Week 15	Apr 10, 2012
16	Week 16	Apr 17, 2012
17	Week 17	Apr 24, 2012
18	Week 18 - Finale	May 1, 2012

Season 14

12 episodes • 2013

#	Episode	Air Date
1	We're Back ... And So Is Jillian	Jan 6, 2013
2	Keep Moving	Jan 7, 2013
3	Cut the Junk	Jan 14, 2013
4	Pay It Forward	Jan 21, 2013
5	Waist & Money	Jan 28, 2013
6	Lead by Example	Feb 4, 2013
7	Tough Love	Feb 11, 2013
8	Work Together	Feb 18, 2013
9	Face Your Fears	Feb 25, 2013
10	Make a Difference (Makeover Week)	Mar 4, 2013
11	Down to the Wire	Mar 11, 2013
12	Live Finale	Mar 18, 2013

No image

Season 15

15 episodes • 2013

#	Episode	Air Date
1	The Biggest Loser Season 15 Episode 1	Oct 8, 2013
2	A Game of Chance	Oct 22, 2013
3	The Auction	Oct 29, 2013
4	Trick or Treat	Nov 5, 2013
5	The Cook-Off	Nov 12, 2013
6	Episode 6	Nov 19, 2013
7	Thanksgiving	Nov 26, 2013
8	Take a Trainer Home	Dec 3, 2013
9	Workplace Obesity	Dec 10, 2013
10	Episode 10	Dec 17, 2013
11	Who Gets a Second Chance Back?	Jan 7, 2014
12	Winter Olympics	Jan 14, 2014
13	Makeover Week	Jan 21, 2014
14	Triathlon	Jan 28, 2014
15	Finale	Feb 4, 2014

No image

Season 16

18 episodes • 2014

#	Episode	Air Date
1	Opening Day	Sep 11, 2014
2	The Knockout	Sep 18, 2014
3	Double Header	Sep 25, 2014
4	The Lottery	Oct 2, 2014
5	Sidelined	Oct 9, 2014
6	The Tailgate	Oct 16, 2014
7	The Drop	Oct 23, 2014
8	Penalty Box	Oct 30, 2014
9	Yes, Coach!	Nov 6, 2014
10	Free Agents	Nov 13, 2014
11	No "I" in Team	Nov 20, 2014
12	The Playoffs	Dec 11, 2014
13	Kauai Part 1	Dec 18, 2014
14	Kauai Part 2	Jan 1, 2015
15	Makeover Week	Jan 8, 2015
16	The Comeback	Jan 15, 2015
17	End Zone	Jan 22, 2015
18	Live Finale	Jan 29, 2015

No image

Season 17

8 episodes • 2016

#	Episode	Air Date
1	Money Hungry	Jan 4, 2016
2	Taste Test / Keep On Truckin'	Jan 11, 2016
3	Hooked On 'Tronics / The Big Switch	Jan 18, 2016
4	Ready? Set. Auction!; Ship Shape	Jan 25, 2016
5	Homeward Bound/Real World Problems	Feb 1, 2016
6	Makeover Week	Feb 8, 2016
7	I Got The Power/The Final Cut	Feb 15, 2016
8	Live Finale	Feb 22, 2016

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Season 18

10 episodes • 2020Avg: 4.0Golden Era

#	Episode	Air Date	Rating
1	Time for Change	Jan 28, 2020	4.0
2	A Big Loss	Feb 4, 2020	4.0
3	Supporting the Team	Feb 11, 2020	4.0
4	Messages from Home	Feb 18, 2020	4.0
5	Diving In	Feb 25, 2020	4.0
6	Overcoming Obstacles	Feb 27, 2020	4.0
7	Going Solo	Mar 10, 2020	4.0
8	Boosting Morale	Mar 17, 2020	4.0
9	Final Four	Mar 24, 2020	4.0
10	Finale	Mar 31, 2020	4.0

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