Season 9 Episodes19
Cast3

Bob Harper
Self

Alison Sweeney
Self - Host

Jillian Michaels
Self
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Ranked #19 of 19 in Season 9•−1.4 vs season avg
Bob and Jillian take turns making phone calls to the latest couples that will be arriving at the ranch. Each trainer is met with loud cheers and crying on the other end of the phone. The couples also find out their initial weigh-ins will take

Bob Harper
Self

Alison Sweeney
Self - Host

Jillian Michaels
Self
0 comments
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"Week One" is episode 1 of The Biggest Loser season 9. It scored 5.2/10 from 18 votes, ranking #19 of 19 episodes this season (season average 6.6). It aired on January 5, 2010.