The Biggest Loser

Season 1

2004 · 12 episodes

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

Season 2

2005 · 12 episodes

• 1 1. Season Two Begins Sep 13, 2005 1h 30m
• 2 2. Straight and Narrow is Tough Sep 20, 2005 1h 30m
• 3 3. Hurt Bodies and Feelings Sep 27, 2005 1h 30m
• 4 4. What Happens in Vegas Buffets in Vegas Oct 4, 2005 1h 30m
• 5 5. Losing Teammates Instead of Weight Drags Down One Team Oct 11, 2005 1h 30m
• 6 6. High Anxiety Oct 18, 2005 1h 30m
• 7 7. Let's Do the Twist! Oct 25, 2005 1h 30m
• 8 8. Fancy Footwork from Pedicures to Pedicabs Nov 1, 2005 1h 30m
• 9 9. Jump Start Nov 8, 2005 1h 30m
• 10 10. Last One in the Pool is a Winner Nov 15, 2005 1h 30m
• 11 11. Scary Scale Nov 22, 2005 1h 30m
• 12 12. Season Two Finale Nov 29, 2005 1h 30m

Season 3

2006 · 13 episodes

• 1 1. Season Premiere Sep 20, 2006 1h 30m
• 2 2. The Biggest Loser Goes to the Beach Sep 27, 2006 1h 30m
• 3 3. Cruise Week Oct 4, 2006 1h 30m
• 4 4. Free Pass Oct 11, 2006 1h 30m
• 5 5. Gym Gone Oct 18, 2006 1h 30m
• 6 6. Tough Choices Oct 25, 2006 1h 30m
• 7 7. Duos Nov 1, 2006 1h 30m
• 8 8. They're Back Nov 8, 2006 1h 30m
• 9 9. Individuals Nov 15, 2006 1h 30m
• 10 10. All About the Holidays Nov 29, 2006 1h 30m
• 11 11. Back to School Dec 6, 2006 1h 30m
• 12 12. The Final Four Dec 6, 2006 1h 30m
• 13 13. Season Finale Live! Dec 13, 2006 1h 30m

Season 4

2007 · 15 episodes

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

Season 5

2008 · 16 episodes

• 1 1. They Got Fat Together, Can They Get Thin Together? Jan 1, 2008 1h 30m
• 2 2. Contestants Face Barbecue Temptation and Giant Seesaw Challenge! Jan 8, 2008 1h 30m
• 3 3. Tensions Run High As This Week's Challenge Causes Rifts Among Players Jan 15, 2008 1h 30m
• 4 4. One Outcast Duo Squares Off Against All the Rest Jan 22, 2008 1h 30m
• 5 5. Surprise Escalator Challenge Changes the Game Forever Jan 29, 2008 1h 30m
• 6 6. Celebrity Chef Rocco DiSpirito Guest Stars Feb 5, 2008 1h 30m
• 7 7. Special Guest Appearance by Jillian's Mom Feb 12, 2008 1h 30m
• 8 8. Contestants Reunited With Loved Ones Feb 19, 2008 1h 30m
• 9 9. One Team Surprised With Trip to Vegas Feb 26, 2008 1h 30m
• 10 10. Contestants Tackle One of the Biggest Challenges in Show's History Mar 4, 2008 1h 30m
• 11 11. All Contestants Return to Ranch in Surprise Twist Mar 11, 2008 1h 30m
• 12 12. Contestants Made Over by Fashion Guru Tim Gunn Mar 18, 2008 1h 30m
• 13 13. Competition Heats Up With Only Six Contestants Left Mar 25, 2008 1h 30m
• 14 14. Last Five Contestants Get Surprise Trip to Australia Apr 1, 2008 1h 30m
• 15 15. Surprise Game-Changing Twist in Last Episode Before Live Finale Apr 8, 2008 1h 30m
• 16 16. "Biggest Loser" Revealed in Season Finale Apr 15, 2008 1h 30m

Season 6

2008 · 14 episodes

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

Season 7

2009 · 21 episodes

• 1. Season Premiere Jan 6, 2009 1h 30m
• 2 2. Bob goes angry Jan 13, 2009 1h 30m
• 3 3. Temptations suck Jan 20, 2009 1h 30m
• 4. Super Bowl Jan 27, 2009 1h 30m
• 5 5. Home Team Weigh-In Feb 3, 2009 1h 30m
• 6 6. The Biggest Loser Season 7 Episode 6 Feb 10, 2009 1h 30m
• 7 7. Gym Keys Feb 17, 2009 1h 30m
• 8 8. Black and Blue Part 1 Feb 24, 2009 1h 30m
• 9 9. Black and Blue Part 2 Feb 25, 2009 1h 30m
• 10. Chef Rocco DiSpirito Mar 3, 2009 1h 30m
• 11 11. 24 Hour Fitness Relay Race Mar 10, 2009 1h 30m
• 12 12. Contestants Go Home for a Week and Complete Half-Marathons Mar 17, 2009 1h 30m
• 13 13. The Teams Split Up Mar 24, 2009 1h 30m
• 14 14. Blast from the Past Mar 31, 2009 1h 30m
• 15 15. Only One Vote Apr 7, 2009 1h 30m
• 16 16. The Makeover Episode Apr 14, 2009 1h 30m
• 17 17. Trivia Quiz Apr 21, 2009 1h 30m
• 18 18. Contestants Get to Train Their Trainers! Apr 28, 2009 1h 30m
• 19 19. Running a Full Marathon! May 5, 2009 1h 30m
• 20 20. Finale May 12, 2009 1h 30m
• 21 21. Finale Part 2 May 12, 2009 1h 30m

: second chances

2009 · 13 episodes

• 1. Week 1 Sep 15, 2009 1h 30m
• 2. The Biggest Loser: Couples Season 8 Episode 2 Sep 22, 2009 1h 30m
• 3 3. Week 3 Sep 29, 2009 1h 30m
• 4 4. Week 4 Oct 6, 2009 1h 30m
• 5 5. Season 8, Episode 5 Oct 13, 2009 1h 30m
• 6 6. Week 6 Oct 20, 2009 1h 30m
• 7 7. Week Seven Oct 27, 2009 1h 30m
• 8 8. Week Eight Nov 3, 2009 1h 30m
• 9 9. Week 9 Nov 10, 2009 1h 30m
• 10 10. Week 10 Nov 17, 2009 1h 30m
• 11 11. Week 11 Nov 24, 2009 1h 30m
• 12 12. Week 12 Dec 1, 2009 1h 30m
• 13 13. Season 8 Finale Dec 8, 2009 1h 30m

Season 9

2010 · 19 episodes

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

Season 10

2010 · 13 episodes

• 1. Week 1 Sep 21, 2010 1h 30m
• 2. Week 2 Sep 28, 2010 1h 30m
• 3. Week 3 Oct 5, 2010 1h 30m
• 4. Week 4 Oct 12, 2010 1h 30m
• 5. Week 5 Oct 19, 2010 1h 30m
• 6. Week 6 Oct 26, 2010 1h 30m
• 7. Week 7 Nov 2, 2010 1h 30m
• 8. Week 8 Nov 9, 2010 1h 30m
• 9. Week 9 Nov 16, 2010 1h 30m
• 10 10. Week 10 Nov 23, 2010 1h 30m
• 11 11. Week 11 Nov 30, 2010 1h 30m
• 12 12. Week 12 Dec 7, 2010 1h 30m
• 13 13. Week 13 Dec 14, 2010 1h 30m

Season 11

2011 · 21 episodes

• 1. Week 1 Jan 4, 2011 1h 30m
• 2. Week 2 Jan 11, 2011 1h 30m
• 3. Week 3 Jan 18, 2011 1h 30m
• 4. Week 4 Jan 25, 2011 1h 30m
• 5. Week 5 Feb 1, 2011 1h 30m
• 6. Week 6 Feb 8, 2011 1h 30m
• 7. Week 7 Feb 15, 2011 1h 30m
• 8. Week 8 Feb 22, 2011 1h 30m
• 9. Week 9 Mar 1, 2011 1h 30m
• 10. Week 10 Mar 8, 2011 1h 30m
• 11. Week 11 Mar 15, 2011 1h 30m
• 12. Week 12 Mar 22, 2011 1h 30m
• 13. Week 13 Mar 29, 2011 1h 30m
• 14. Week 14 Apr 5, 2011 1h 30m
• 15. Week 15 Apr 12, 2011 1h 30m
• 16. Week 16 Apr 19, 2011 1h 30m
• 17. Week 17 Apr 26, 2011 1h 30m
• 18. Week 18 “Makeover Week” May 3, 2011 1h 30m
• 19. Week 19 May 10, 2011 1h 30m
• 20. Week 20 May 17, 2011 1h 30m
• 21. Week 21 May 24, 2011 1h 30m

Season 12

2011 · 13 episodes

• 1. Week 1 Sep 20, 2011 1h 30m
• 2. Week 2 Sep 27, 2011 1h 30m
• 3. Week 3 Oct 4, 2011 1h 30m
• 4. Week 4 Oct 11, 2011 1h 30m
• 5. Week 5 Oct 18, 2011 1h 30m
• 6. Week 6 Oct 25, 2011 1h 30m
• 7. Week 7 Nov 1, 2011 1h 30m
• 8. Week 8 Nov 8, 2011 1h 30m
• 9. Week 9 Nov 15, 2011 1h 30m
• 10. Week 10 Nov 22, 2011 1h 30m
• 11. Week 11 - Makeover Week Nov 29, 2011 1h 30m
• 12. Week 12 Dec 6, 2011 1h 30m
• 13. Week 13 - Finale Dec 13, 2011 1h 30m

Season 13

2012 · 18 episodes

• 1. Week 1 Jan 3, 2012 1h 30m
• 2. Week 2 Jan 10, 2012 1h 30m
• 3. Week 3 Jan 17, 2012 1h 30m
• 4. Week 4 Jan 24, 2012 1h 30m
• 5. Week 5 Jan 31, 2012 1h 30m
• 6. Week 6 Feb 7, 2012 1h 30m
• 7. Week 7 Feb 14, 2012 1h 30m
• 8. Week 8 Feb 21, 2012 1h 30m
• 9. Week 9 Feb 28, 2012 1h 30m
• 10. Week 10 Mar 6, 2012 1h 30m
• 11. Week 11 Mar 13, 2012 1h 30m
• 12. Week 12 Mar 20, 2012 1h 30m
• 13. Week 13 Mar 27, 2012 1h 30m
• 14. Week 14 Apr 3, 2012 1h 30m
• 15. Week 15 Apr 10, 2012 1h 30m
• 16. Week 16 Apr 17, 2012 1h 30m
• 17. Week 17 Apr 24, 2012 1h 30m
• 18. Week 18 - Finale May 1, 2012 1h 30m

Season 14

2013 · 12 episodes

• 1. We're Back ... And So Is Jillian Jan 6, 2013 1h 30m
• 2. Keep Moving Jan 7, 2013 1h 30m
• 3. Cut the Junk Jan 14, 2013 1h 30m
• 4. Pay It Forward Jan 21, 2013 1h 30m
• 5. Waist & Money Jan 28, 2013 1h 30m
• 6. Lead by Example Feb 4, 2013 1h 30m
• 7. Tough Love Feb 11, 2013 1h 30m
• 8. Work Together Feb 18, 2013 1h 30m
• 9. Face Your Fears Feb 25, 2013 1h 30m
• 10. Make a Difference (Makeover Week) Mar 4, 2013 1h 30m
• 11. Down to the Wire Mar 11, 2013 1h 30m
• 12. Live Finale Mar 18, 2013 1h 30m

Season 15

2013 · 15 episodes

• 1 1. The Biggest Loser Season 15 Episode 1 Oct 8, 2013 1h 30m
• 2. A Game of Chance Oct 22, 2013 1h 30m
• 3. The Auction Oct 29, 2013 1h 30m
• 4. Trick or Treat Nov 5, 2013 1h 30m
• 5. The Cook-Off Nov 12, 2013 1h 30m
• 6 6. Episode 6 Nov 19, 2013 1h 30m
• 7. Thanksgiving Nov 26, 2013 1h 30m
• 8. Take a Trainer Home Dec 3, 2013 1h 30m
• 9. Workplace Obesity Dec 10, 2013 1h 30m
• 10 10. Episode 10 Dec 17, 2013 1h 30m
• 11. Who Gets a Second Chance Back? Jan 7, 2014 1h 30m
• 12. Winter Olympics Jan 14, 2014 1h 30m
• 13 13. Makeover Week Jan 21, 2014 1h 30m
• 14. Triathlon Jan 28, 2014 1h 30m
• 15 15. Finale Feb 4, 2014 1h 30m

Season 16

2014 · 18 episodes

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

Season 17

2016 · 8 episodes

• 1 1. Money Hungry Jan 4, 2016 1h 30m
• 2 2. Taste Test / Keep On Truckin' Jan 11, 2016 1h 30m
• 3 3. Hooked On 'Tronics / The Big Switch Jan 18, 2016 1h 30m
• 4 4. Ready? Set. Auction!; Ship Shape Jan 25, 2016 1h 30m
• 5 5. Homeward Bound/Real World Problems Feb 1, 2016 1h 30m
• 6 6. Makeover Week Feb 8, 2016 1h 30m
• 7 7. I Got The Power/The Final Cut Feb 15, 2016 1h 30m
• 8 8. Live Finale Feb 22, 2016 1h 30m

Season 18

2020 · 10 episodes

• 1. Time for Change Jan 28, 2020 1h 30m
• 2. A Big Loss Feb 4, 2020 1h 30m
• 3. Supporting the Team Feb 11, 2020 1h 30m
• 4. Messages from Home Feb 18, 2020 1h 30m
• 5. Diving In Feb 25, 2020 1h 30m
• 6. Overcoming Obstacles Feb 27, 2020 1h 30m
• 7. Going Solo Mar 10, 2020 1h 30m
• 8. Boosting Morale Mar 17, 2020 1h 30m
• 9. Final Four Mar 24, 2020 1h 30m
• 10. Finale Mar 31, 2020 1h 30m