` Project Runway , '' which will feature 90-minute-long episodes when Season 8 kicks off tonight , is the latest series in its genre to adopt a longer run time . ` The Biggest Loser will feature 90-minute episodes when Season 8 kicks off the past two years . `` `` The Celebrity Apprentice '' , '' The Biggest Loser switched to 120-minute episodes . It 's the structure of competition reality shows that keep people watching , expert says .
` The Biggest Loser will feature 90-minute episodes when Season 8 kicks off the past two years . `` `` The Celebrity Apprentice '' , '' The Biggest Loser switched to 120-minute episodes . It 's the structure of competition reality shows that keep people watching , expert says .