NBC has announced The Biggest Loser: Families -- the reality weight-loss series' sixth-season -- will be part of the network's Fall 2008 primetime programming schedule with 90-minute episodes airing in the Tuesdays at 8PM ET/PT time slot.

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NBC had previously announced The Biggest Loser's sixth season would follow the same "couples" format as the show's currently-airing fifth installment, however that plan has apparently changed. 

Instead, the Fall 2008 installment will be a "family edition" featuring teams consisting of two family members each, with the minimum age requirement being 18-years-old. 

The Biggest Loser: Couples' second installment -- which will consist of teams of two that can include any two contestants with a pre-existing relationship -- is now scheduled to air as part of NBC's 2008-2009 midseason primetime programming lineup in the Tuesdays at 8PM ET/PT time slot.

Alison Sweeney will reprise her hosting role for The Biggest Loser: Families, which will also include trainers Jillian Michaels and Bob Harper.  Kim Lyons, who replaced Michaels as the Red Team's trainer prior to the show's third season but was replaced by Michaels for the show's currently-airing fifth edition, will not be participating in the show's sixth installment.

Both The Biggest Loser: Families and The Biggest Loser: Couples are currently slated to serve as the lead-in for Kath & Kim, a new half-hour sitcom starring former Saturday Night Live comedian Molly Shannon and actress Selma Blair.

The Biggest Loser and Kath & Kim are both produced by Reveille, the television production and distribution company started and formerly owned by current NBC Entertainment and NBC Universal Television Studio co-chairman Ben Silverman. 

Silverman sold Reveille in February for $125 million to Shine Ltd. -- a British production company owned by Rupert Murdoch's daughter Elisabeth.
About The Author: Christopher Rocchio
Christopher Rocchio is an entertainment reporter for Reality TV World and has covered the reality TV genre for several years.