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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Erica Lugo
Self
Steve Cook
Self
Bob Harper
Self - Host
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12 episodes • 2004
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1: Pilot | Oct 19, 2004 | 0.0 |
| 2 | Episode 2 | Oct 26, 2004 | 0.0 |
| 3 | Episode 3 | Nov 9, 2004 | 0.0 |
| 4 | Episode 4: Red and Blue Teams Go to New Heights | Nov 16, 2004 | 0.0 |
| 5 | Episode 5: A Team Lightens Up Through Elimination | Nov 23, 2004 | 0.0 |
| 6 | Episode 6: Teams Trek to the Beach for a Challenge | Nov 30, 2004 | 0.0 |
| 7 | Episode 7: Biking Challenge | Dec 7, 2004 | 0.0 |
| 8 | Episode 8: Playing It Close to the Vest | Dec 14, 2004 | 0.0 |
| 9 | Episode 9: A Look Back Special | Dec 21, 2004 | 0.0 |
| 10 | Episode 10: Final Weigh-In At The Ranch | Jan 4, 2005 | 0.0 |
| 11 | Episode 11: Season Finale | Jan 11, 2005 | 0.0 |
| 12 | Episode 12: It Isn't Over Until It's Over | Jan 18, 2005 | 0.0 |
12 episodes • 2005
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Season Two Begins | Sep 13, 2005 | 0.0 |
| 2 | Straight and Narrow is Tough | Sep 20, 2005 | 0.0 |
| 3 | Hurt Bodies and Feelings | Sep 27, 2005 | 0.0 |
| 4 | What Happens in Vegas Buffets in Vegas | Oct 4, 2005 | 0.0 |
| 5 | Losing Teammates Instead of Weight Drags Down One Team | Oct 11, 2005 | 0.0 |
| 6 | High Anxiety | Oct 18, 2005 | 0.0 |
| 7 | Let's Do the Twist! | Oct 25, 2005 | 0.0 |
| 8 | Fancy Footwork from Pedicures to Pedicabs | Nov 1, 2005 | 0.0 |
| 9 | Jump Start | Nov 8, 2005 | 0.0 |
| 10 | Last One in the Pool is a Winner | Nov 15, 2005 | 0.0 |
| 11 | Scary Scale | Nov 22, 2005 | 0.0 |
| 12 | Season Two Finale | Nov 29, 2005 | 0.0 |
13 episodes • 2006
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Season Premiere | Sep 20, 2006 | 0.0 |
| 2 | The Biggest Loser Goes to the Beach | Sep 27, 2006 | 0.0 |
| 3 | Cruise Week | Oct 4, 2006 | 0.0 |
| 4 | Free Pass | Oct 11, 2006 | 0.0 |
| 5 | Gym Gone | Oct 18, 2006 | 0.0 |
| 6 | Tough Choices | Oct 25, 2006 | 0.0 |
| 7 | Duos | Nov 1, 2006 | 0.0 |
| 8 | They're Back | Nov 8, 2006 | 0.0 |
| 9 | Individuals | Nov 15, 2006 | 0.0 |
| 10 | All About the Holidays | Nov 29, 2006 | 0.0 |
| 11 | Back to School | Dec 6, 2006 | 0.0 |
| 12 | The Final Four | Dec 6, 2006 | 0.0 |
| 13 | Season Finale Live! | Dec 13, 2006 | 0.0 |
15 episodes • 2007
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Back to Basics | Sep 11, 2007 | 0.0 |
| 2 | The Secret Black Team is Revealed! | Sep 18, 2007 | 0.0 |
| 3 | The Pressure of Temptation | Sep 25, 2007 | 0.0 |
| 4 | Bidding Wars | Oct 2, 2007 | 0.0 |
| 5 | Surprise Getaway | Oct 9, 2007 | 0.0 |
| 6 | Lively Beach Competition | Oct 16, 2007 | 0.0 |
| 7 | Weigh-In Shocker | Oct 23, 2007 | 0.0 |
| 8 | Most Emotional Elimination So Far of the Season | Oct 30, 2007 | 0.0 |
| 9 | Biggest Losers Go Green | Nov 6, 2007 | 0.0 |
| 10 | A Taste of Home | Nov 13, 2007 | 0.0 |
| 11 | Memorable Makeovers | Nov 20, 2007 | 0.0 |
| 12 | Viewers Choose the Challenge | Nov 27, 2007 | 0.0 |
| 13 | A Slice of Temptation | Dec 4, 2007 | 0.0 |
| 14 | Five Remaining Players Compete for Spot on Finale | Dec 11, 2007 | 0.0 |
| 15 | "Biggest Loser" Revealed in Season Finale! | Dec 18, 2007 | 0.0 |
16 episodes • 2008
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | They Got Fat Together, Can They Get Thin Together? | Jan 1, 2008 | 0.0 |
| 2 | Contestants Face Barbecue Temptation and Giant Seesaw Challenge! | Jan 8, 2008 | 0.0 |
| 3 | Tensions Run High As This Week's Challenge Causes Rifts Among Players | Jan 15, 2008 | 0.0 |
| 4 | One Outcast Duo Squares Off Against All the Rest | Jan 22, 2008 | 0.0 |
| 5 | Surprise Escalator Challenge Changes the Game Forever | Jan 29, 2008 | 0.0 |
| 6 | Celebrity Chef Rocco DiSpirito Guest Stars | Feb 5, 2008 | 0.0 |
| 7 | Special Guest Appearance by Jillian's Mom | Feb 12, 2008 | 0.0 |
| 8 | Contestants Reunited With Loved Ones | Feb 19, 2008 | 0.0 |
| 9 | One Team Surprised With Trip to Vegas | Feb 26, 2008 | 0.0 |
| 10 | Contestants Tackle One of the Biggest Challenges in Show's History | Mar 4, 2008 | 0.0 |
| 11 | All Contestants Return to Ranch in Surprise Twist | Mar 11, 2008 | 0.0 |
| 12 | Contestants Made Over by Fashion Guru Tim Gunn | Mar 18, 2008 | 0.0 |
| 13 | Competition Heats Up With Only Six Contestants Left | Mar 25, 2008 | 0.0 |
| 14 | Last Five Contestants Get Surprise Trip to Australia | Apr 1, 2008 | 0.0 |
| 15 | Surprise Game-Changing Twist in Last Episode Before Live Finale | Apr 8, 2008 | 0.0 |
| 16 | "Biggest Loser" Revealed in Season Finale | Apr 15, 2008 | 0.0 |
14 episodes • 2008
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Husband-Wife and Parent-Child Teams | Sep 16, 2008 | 0.0 |
| 2 | Chef Rocco DiSpirito | Sep 23, 2008 | 0.0 |
| 3 | Grand Canyon | Sep 30, 2008 | 0.0 |
| 4 | Toughest Challenge Yet | Oct 7, 2008 | 0.0 |
| 5 | Surprising Weigh-In | Oct 8, 2008 | 0.0 |
| 6 | Longest Challenge Ever | Oct 14, 2008 | 0.0 |
| 7 | Unusual Workouts | Oct 21, 2008 | 0.0 |
| 8 | Record-Breaking Weigh-In | Oct 28, 2008 | 0.0 |
| 9 | Week of Surprises | Nov 11, 2008 | 0.0 |
| 10 | '80s Week | Nov 18, 2008 | 0.0 |
| 11 | Thanksgiving week | Nov 25, 2008 | 0.0 |
| 12 | Makeover Episode | Dec 2, 2008 | 0.0 |
| 13 | Final Four | Dec 9, 2008 | 0.0 |
| 14 | Finale! | Dec 16, 2008 | 0.0 |
21 episodes • 2009
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Season Premiere | Jan 6, 2009 | 0.0 |
| 2 | Bob goes angry | Jan 13, 2009 | 0.0 |
| 3 | Temptations suck | Jan 20, 2009 | 0.0 |
| 4 | Super Bowl | Jan 27, 2009 | 0.0 |
| 5 | Home Team Weigh-In | Feb 3, 2009 | 0.0 |
| 6 | The Biggest Loser Season 7 Episode 6 | Feb 10, 2009 | 0.0 |
| 7 | Gym Keys | Feb 17, 2009 | 0.0 |
| 8 | Black and Blue Part 1 | Feb 24, 2009 | 0.0 |
| 9 | Black and Blue Part 2 | Feb 25, 2009 | 0.0 |
| 10 | Chef Rocco DiSpirito | Mar 3, 2009 | 0.0 |
| 11 | 24 Hour Fitness Relay Race | Mar 10, 2009 | 0.0 |
| 12 | Contestants Go Home for a Week and Complete Half-Marathons | Mar 17, 2009 | 0.0 |
| 13 | The Teams Split Up | Mar 24, 2009 | 0.0 |
| 14 | Blast from the Past | Mar 31, 2009 | 0.0 |
| 15 | Only One Vote | Apr 7, 2009 | 0.0 |
| 16 | The Makeover Episode | Apr 14, 2009 | 0.0 |
| 17 | Trivia Quiz | Apr 21, 2009 | 0.0 |
| 18 | Contestants Get to Train Their Trainers! | Apr 28, 2009 | 0.0 |
| 19 | Running a Full Marathon! | May 5, 2009 | 0.0 |
| 20 | Finale | May 12, 2009 | 0.0 |
| 21 | Finale Part 2 | May 12, 2009 | 0.0 |
13 episodes • 2009
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week 1 | Sep 15, 2009 | 0.0 |
| 2 | The Biggest Loser: Couples Season 8 Episode 2 | Sep 22, 2009 | 0.0 |
| 3 | Week 3 | Sep 29, 2009 | 0.0 |
| 4 | Week 4 | Oct 6, 2009 | 0.0 |
| 5 | Season 8, Episode 5 | Oct 13, 2009 | 0.0 |
| 6 | Week 6 | Oct 20, 2009 | 0.0 |
| 7 | Week Seven | Oct 27, 2009 | 0.0 |
| 8 | Week Eight | Nov 3, 2009 | 0.0 |
| 9 | Week 9 | Nov 10, 2009 | 0.0 |
| 10 | Week 10 | Nov 17, 2009 | 0.0 |
| 11 | Week 11 | Nov 24, 2009 | 0.0 |
| 12 | Week 12 | Dec 1, 2009 | 0.0 |
| 13 | Season 8 Finale | Dec 8, 2009 | 0.0 |
19 episodes • 2010
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week One | Jan 5, 2010 | 0.0 |
| 2 | The Biggest Loser Season 9 - Week Two | Jan 12, 2010 | 0.0 |
| 3 | Week 3 | Jan 19, 2010 | 0.0 |
| 4 | Season 9, Episode 4 | Jan 26, 2010 | 0.0 |
| 5 | Season 9, Episode 5 | Feb 2, 2010 | 0.0 |
| 6 | Season 9, Episode 6 | Feb 9, 2010 | 0.0 |
| 7 | Season 9, Episode 7 | Mar 2, 2010 | 0.0 |
| 8 | Season 9, Episode 8 | Mar 9, 2010 | 0.0 |
| 9 | Season 9, Episode 9 | Mar 16, 2010 | 0.0 |
| 10 | Week 10 | Mar 23, 2010 | 0.0 |
| 11 | Season 9, Episode 11 | Mar 30, 2010 | 0.0 |
| 12 | Week 12 | Apr 6, 2010 | 0.0 |
| 13 | Season 9, Episode 13 | Apr 13, 2010 | 0.0 |
| 14 | Season 9, Episode 14 | Apr 20, 2010 | 0.0 |
| 15 | Season 9, Episode 15 | Apr 27, 2010 | 0.0 |
| 16 | Season 9, Episode 16 | May 4, 2010 | 0.0 |
| 17 | Season 9, Episode 17 | May 11, 2010 | 0.0 |
| 18 | Season 9, Episode 18 | May 18, 2010 | 0.0 |
| 19 | Season 9 Finale | May 25, 2010 | 0.0 |
13 episodes • 2010
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week 1 | Sep 21, 2010 | 0.0 |
| 2 | Week 2 | Sep 28, 2010 | 0.0 |
| 3 | Week 3 | Oct 5, 2010 | 0.0 |
| 4 | Week 4 | Oct 12, 2010 | 0.0 |
| 5 | Week 5 | Oct 19, 2010 | 0.0 |
| 6 | Week 6 | Oct 26, 2010 | 0.0 |
| 7 | Week 7 | Nov 2, 2010 | 0.0 |
| 8 | Week 8 | Nov 9, 2010 | 0.0 |
| 9 | Week 9 | Nov 16, 2010 | 0.0 |
| 10 | Week 10 | Nov 23, 2010 | 0.0 |
| 11 | Week 11 | Nov 30, 2010 | 0.0 |
| 12 | Week 12 | Dec 7, 2010 | 0.0 |
| 13 | Week 13 | Dec 14, 2010 | 0.0 |
21 episodes • 2011
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week 1 | Jan 4, 2011 | 0.0 |
| 2 | Week 2 | Jan 11, 2011 | 0.0 |
| 3 | Week 3 | Jan 18, 2011 | 0.0 |
| 4 | Week 4 | Jan 25, 2011 | 0.0 |
| 5 | Week 5 | Feb 1, 2011 | 0.0 |
| 6 | Week 6 | Feb 8, 2011 | 0.0 |
| 7 | Week 7 | Feb 15, 2011 | 0.0 |
| 8 | Week 8 | Feb 22, 2011 | 0.0 |
| 9 | Week 9 | Mar 1, 2011 | 0.0 |
| 10 | Week 10 | Mar 8, 2011 | 0.0 |
| 11 | Week 11 | Mar 15, 2011 | 0.0 |
| 12 | Week 12 | Mar 22, 2011 | 0.0 |
| 13 | Week 13 | Mar 29, 2011 | 0.0 |
| 14 | Week 14 | Apr 5, 2011 | 0.0 |
| 15 | Week 15 | Apr 12, 2011 | 0.0 |
| 16 | Week 16 | Apr 19, 2011 | 0.0 |
| 17 | Week 17 | Apr 26, 2011 | 0.0 |
| 18 | Week 18 “Makeover Week” | May 3, 2011 | 0.0 |
| 19 | Week 19 | May 10, 2011 | 0.0 |
| 20 | Week 20 | May 17, 2011 | 0.0 |
| 21 | Week 21 | May 24, 2011 | 0.0 |
13 episodes • 2011
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week 1 | Sep 20, 2011 | 0.0 |
| 2 | Week 2 | Sep 27, 2011 | 0.0 |
| 3 | Week 3 | Oct 4, 2011 | 0.0 |
| 4 | Week 4 | Oct 11, 2011 | 0.0 |
| 5 | Week 5 | Oct 18, 2011 | 0.0 |
| 6 | Week 6 | Oct 25, 2011 | 0.0 |
| 7 | Week 7 | Nov 1, 2011 | 0.0 |
| 8 | Week 8 | Nov 8, 2011 | 0.0 |
| 9 | Week 9 | Nov 15, 2011 | 0.0 |
| 10 | Week 10 | Nov 22, 2011 | 0.0 |
| 11 | Week 11 - Makeover Week | Nov 29, 2011 | 0.0 |
| 12 | Week 12 | Dec 6, 2011 | 0.0 |
| 13 | Week 13 - Finale | Dec 13, 2011 | 0.0 |
18 episodes • 2012
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Week 1 | Jan 3, 2012 | 0.0 |
| 2 | Week 2 | Jan 10, 2012 | 0.0 |
| 3 | Week 3 | Jan 17, 2012 | 0.0 |
| 4 | Week 4 | Jan 24, 2012 | 0.0 |
| 5 | Week 5 | Jan 31, 2012 | 0.0 |
| 6 | Week 6 | Feb 7, 2012 | 0.0 |
| 7 | Week 7 | Feb 14, 2012 | 0.0 |
| 8 | Week 8 | Feb 21, 2012 | 0.0 |
| 9 | Week 9 | Feb 28, 2012 | 0.0 |
| 10 | Week 10 | Mar 6, 2012 | 0.0 |
| 11 | Week 11 | Mar 13, 2012 | 0.0 |
| 12 | Week 12 | Mar 20, 2012 | 0.0 |
| 13 | Week 13 | Mar 27, 2012 | 0.0 |
| 14 | Week 14 | Apr 3, 2012 | 0.0 |
| 15 | Week 15 | Apr 10, 2012 | 0.0 |
| 16 | Week 16 | Apr 17, 2012 | 0.0 |
| 17 | Week 17 | Apr 24, 2012 | 0.0 |
| 18 | Week 18 - Finale | May 1, 2012 | 0.0 |
12 episodes • 2013
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | We're Back ... And So Is Jillian | Jan 6, 2013 | 0.0 |
| 2 | Keep Moving | Jan 7, 2013 | 0.0 |
| 3 | Cut the Junk | Jan 14, 2013 | 0.0 |
| 4 | Pay It Forward | Jan 21, 2013 | 0.0 |
| 5 | Waist & Money | Jan 28, 2013 | 0.0 |
| 6 | Lead by Example | Feb 4, 2013 | 0.0 |
| 7 | Tough Love | Feb 11, 2013 | 0.0 |
| 8 | Work Together | Feb 18, 2013 | 0.0 |
| 9 | Face Your Fears | Feb 25, 2013 | 0.0 |
| 10 | Make a Difference (Makeover Week) | Mar 4, 2013 | 0.0 |
| 11 | Down to the Wire | Mar 11, 2013 | 0.0 |
| 12 | Live Finale | Mar 18, 2013 | 0.0 |
15 episodes • 2013
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Biggest Loser Season 15 Episode 1 | Oct 8, 2013 | 0.0 |
| 2 | A Game of Chance | Oct 22, 2013 | 0.0 |
| 3 | The Auction | Oct 29, 2013 | 0.0 |
| 4 | Trick or Treat | Nov 5, 2013 | 0.0 |
| 5 | The Cook-Off | Nov 12, 2013 | 0.0 |
| 6 | Episode 6 | Nov 19, 2013 | 0.0 |
| 7 | Thanksgiving | Nov 26, 2013 | 0.0 |
| 8 | Take a Trainer Home | Dec 3, 2013 | 0.0 |
| 9 | Workplace Obesity | Dec 10, 2013 | 0.0 |
| 10 | Episode 10 | Dec 17, 2013 | 0.0 |
| 11 | Who Gets a Second Chance Back? | Jan 7, 2014 | 0.0 |
| 12 | Winter Olympics | Jan 14, 2014 | 0.0 |
| 13 | Makeover Week | Jan 21, 2014 | 0.0 |
| 14 | Triathlon | Jan 28, 2014 | 0.0 |
| 15 | Finale | Feb 4, 2014 | 0.0 |
18 episodes • 2014
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Opening Day | Sep 11, 2014 | 0.0 |
| 2 | The Knockout | Sep 18, 2014 | 0.0 |
| 3 | Double Header | Sep 25, 2014 | 0.0 |
| 4 | The Lottery | Oct 2, 2014 | 0.0 |
| 5 | Sidelined | Oct 9, 2014 | 0.0 |
| 6 | The Tailgate | Oct 16, 2014 | 0.0 |
| 7 | The Drop | Oct 23, 2014 | 0.0 |
| 8 | Penalty Box | Oct 30, 2014 | 0.0 |
| 9 | Yes, Coach! | Nov 6, 2014 | 0.0 |
| 10 | Free Agents | Nov 13, 2014 | 0.0 |
| 11 | No "I" in Team | Nov 20, 2014 | 0.0 |
| 12 | The Playoffs | Dec 11, 2014 | 0.0 |
| 13 | Kauai Part 1 | Dec 18, 2014 | 0.0 |
| 14 | Kauai Part 2 | Jan 1, 2015 | 0.0 |
| 15 | Makeover Week | Jan 8, 2015 | 0.0 |
| 16 | The Comeback | Jan 15, 2015 | 0.0 |
| 17 | End Zone | Jan 22, 2015 | 0.0 |
| 18 | Live Finale | Jan 29, 2015 | 0.0 |
8 episodes • 2016
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Money Hungry | Jan 4, 2016 | 0.0 |
| 2 | Taste Test / Keep On Truckin' | Jan 11, 2016 | 0.0 |
| 3 | Hooked On 'Tronics / The Big Switch | Jan 18, 2016 | 0.0 |
| 4 | Ready? Set. Auction!; Ship Shape | Jan 25, 2016 | 0.0 |
| 5 | Homeward Bound/Real World Problems | Feb 1, 2016 | 0.0 |
| 6 | Makeover Week | Feb 8, 2016 | 0.0 |
| 7 | I Got The Power/The Final Cut | Feb 15, 2016 | 0.0 |
| 8 | Live Finale | Feb 22, 2016 | 0.0 |
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 |
