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The Best Seasons of The Biggest Loser

Every season of The Biggest Loser ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The Biggest Loser!

Binge this in Unknown•Peaking at 8.2/10

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

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Season 1

12 Episodes

First Aired: Oct 2004

8.2/ 10

Average Rating

Best episodeE1 · Episode 1: Pilot 8.2

Season 2

12 Episodes

First Aired: Sep 2005

7.5/ 10

Average Rating

Best episodeE11 · Scary Scale 7.5

Season 18

10 Episodes

First Aired: Jan 2020

7.2/ 10

Average Rating

Best episodeE10 · Finale 8.2

Other Seasons

Season 8

13 Episodes

First Aired: Sep 2009

7.1/ 10

Average Rating

Best episodeE1 · Week 1 8.0

Season 7

21 Episodes

First Aired: Jan 2009

7.0/ 10

Average Rating

Best episodeE13 · The Teams Split Up 7.4

Season 6

14 Episodes

First Aired: Sep 2008

6.9/ 10

Average Rating

Best episodeE14 · Finale! 7.4

Season 16

18 Episodes

First Aired: Sep 2014

6.7/ 10

Average Rating

Best episodeE1 · Opening Day 7.4

Season 9

19 Episodes

First Aired: Jan 2010

6.6/ 10

Average Rating

Best episodeE14 · Season 9, Episode 14 7.2

Season 4

15 Episodes

First Aired: Sep 2007

6.6/ 10

Average Rating

Best episodeE1 · Back to Basics 7.7

#10

Season 17

8 Episodes

First Aired: Jan 2016

6.5/ 10

Average Rating

Best episodeE4 · Ready? Set. Auction!; Ship Shape 7.4

#11

Season 12

13 Episodes

First Aired: Sep 2011

6.3/ 10

Average Rating

Best episodeE4 · Week 4 6.7

#12

Season 5

16 Episodes

First Aired: Jan 2008

6.3/ 10

Average Rating

Best episodeE15 · Surprise Game-Changing Twist in Last Episode Before Live Finale 6.8

#13

Season 13

18 Episodes

First Aired: Jan 2012

6.2/ 10

Average Rating

Best episodeE4 · Week 4 7.1

#14

Season 11

21 Episodes

First Aired: Jan 2011

6.1/ 10

Average Rating

Best episodeE6 · Week 6 6.8

#15

Season 10

13 Episodes

First Aired: Sep 2010

6.1/ 10

Average Rating

Best episodeE13 · Week 13 7.2

#16

Season 15

15 Episodes

First Aired: Oct 2013

6.1/ 10

Average Rating

Best episodeE1 · The Biggest Loser Season 15 Episode 1 7.1

#17

Season 14

12 Episodes

First Aired: Jan 2013

6.0/ 10

Average Rating

Best episodeE1 · We're Back ... And So Is Jillian 7.4

#18

Season 3

13 Episodes

First Aired: Sep 2006

N/A/ 10

Average Rating