The Biggest Loser

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Season 8

2009-09-15 8x01 - Week 1
2009-09-22 8x02 - Week 2
2009-09-29 8x03 - Week 3
2009-10-06 8x04 - Week 4
2009-10-13 8x05 - Week 5
2009-10-20 8x06 - Week 6
2009-10-27 8x07 - Week 7
2009-11-03 8x08 - Week 8
2009-11-10 8x09 - Week 9
2009-11-17 8x10 - Week 10
2009-11-24 8x11 - Week 11
2009-12-01 8x12 - Week 12

Season 9

2010-01-05 9x01 - Week 1
2010-01-12 9x02 - Week 2
2010-01-19 9x03 - Week 3
2010-01-26 9x04 - Week 4
2010-02-02 9x05 - Week 5
2010-02-09 9x06 - Week 6
2010-03-02 9x07 - Week 7
2010-03-09 9x08 - Week 8
2010-03-16 9x09 - Week 9
2010-03-23 9x10 - Week 10
2010-03-30 9x11 - Week 11
2010-04-06 9x12 - Week 12
2010-04-13 9x13 - Week 13
2010-04-20 9x14 - Week 14
2010-04-27 9x15 - Week 15
2010-05-04 9x16 - Week 16
2010-05-11 9x17 - Week 17
2010-05-18 9x18 - Week 18

Season 10

2010-09-21 10x01 - Week 1
2010-09-28 10x02 - Week 2
2010-10-05 10x03 - Week 3
2010-10-12 10x04 - Week 4
2010-10-19 10x05 - Week 5
2010-10-26 10x06 - Week 6
2010-11-02 10x07 - Week 7
2010-11-09 10x08 - Week 8
2010-11-16 10x09 - Week 9
2010-11-23 10x10 - Week 10
2010-11-30 10x11 - Week 11
2010-12-07 10x12 - Week 12
2010-12-14 10x13 - Week 13

Season 11

2011-01-04 11x01 - Week 1
2011-01-11 11x02 - Week 2
2011-01-18 11x03 - Week 3
2011-01-25 11x04 - Week 4
2011-02-01 11x05 - Week 5
2011-02-08 11x06 - Week 6
2011-02-15 11x07 - Week 7
2011-02-22 11x08 - Week 8
2011-03-01 11x09 - Week 9
2011-03-08 11x10 - Week 10
2011-03-15 11x11 - Week 11
2011-03-22 11x12 - Week 12
2011-03-29 11x13 - Week 13
2011-04-05 11x14 - Week 14
2011-04-12 11x15 - Week 15
2011-04-19 11x16 - Week 16
2011-04-26 11x17 - Week 17
2011-05-10 11x19 - Week 19
2011-05-17 11x20 - Week 20
2011-05-24 11x21 - Week 21

Season 12

2011-09-20 12x01 - Week 1
2011-09-27 12x02 - Week 2
2011-10-04 12x03 - Week 3
2011-10-11 12x04 - Week 4
2011-10-18 12x05 - Week 5
2011-10-25 12x06 - Week 6
2011-11-01 12x07 - Week 7
2011-11-08 12x08 - Week 8
2011-11-15 12x09 - Week 9
2011-11-22 12x10 - Week 10
2011-12-06 12x12 - Week 12

Season 13

2012-01-03 13x01 - Week 1
2012-01-10 13x02 - Week 2
2012-01-17 13x03 - Week 3
2012-01-24 13x04 - Week 4
2012-01-31 13x05 - Week 5
2012-02-07 13x06 - Week 6
2012-02-14 13x07 - Week 7
2012-02-21 13x08 - Week 8
2012-02-28 13x09 - Week 9
2012-03-06 13x10 - Week 10
2012-03-13 13x11 - Week 11
2012-03-20 13x12 - Week 12
2012-03-27 13x13 - Week 13
2012-04-03 13x14 - Week 14
2012-04-10 13x15 - Week 15
2012-04-17 13x16 - Week 16
2012-04-24 13x17 - Week 17