The Biggest Loser - Seasons 1

Episode : 1

Episode 1: Pilot

2004-10-19

Episode : 2

Episode 2

2004-10-26

Episode : 3

Episode 3

2004-11-09

Episode : 4

Episode 4: Red and Blue Teams Go to New Heights

2004-11-16

Episode : 5

Episode 5: A Team Lightens Up Through Elimination

2004-11-23

Episode : 6

Episode 6: Teams Trek to the Beach for a Challenge

2004-11-30

Episode : 7

Episode 7: Biking Challenge

2004-12-07

Episode : 8

Episode 8: Playing It Close to the Vest

2004-12-14

Episode : 9

Episode 9: A Look Back Special

2004-12-21

Episode : 10

Episode 10: Final Weigh-In At The Ranch

2005-01-04

Episode : 11

Episode 11: Season Finale

2005-01-11

Episode : 12

Episode 12: It Isn't Over Until It's Over

2005-01-18