The Biggest Loser - Season 9 Episode 18 : Season 9, Episode 18
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
First Air Date : Oct 19, 2004
Last Air Date : Mar 31, 2020
Runtime : 90 min.
Genre : Reality
Stars : Erica Lugo, Steve Cook, Bob Harper
Quality : 
- Eps. 1 : Week One2010-01-05
- Eps. 3 : Week 32010-01-19
- Eps. 4 : Season 9, Episode 42010-01-26
- Eps. 5 : Season 9, Episode 52010-02-02
- Eps. 6 : Season 9, Episode 62010-02-09
- Eps. 7 : Season 9, Episode 72010-03-02
- Eps. 8 : Season 9, Episode 82010-03-09
- Eps. 9 : Season 9, Episode 92010-03-16
- Eps. 10 : Week 102010-03-23
- Eps. 11 : Season 9, Episode 112010-03-30
- Eps. 12 : Week 122010-04-06
- Eps. 13 : Season 9, Episode 132010-04-13
- Eps. 14 : Season 9, Episode 142010-04-20
- Eps. 15 : Season 9, Episode 152010-04-27
- Eps. 16 : Season 9, Episode 162010-05-04
- Eps. 17 : Season 9, Episode 172010-05-11
- Eps. 18 : Season 9, Episode 182010-05-18
- Eps. 19 : Season 9 Finale2010-05-25
