The Biggest Loser
Season 13 Episode 4 - Week 4
The teams compete for exclusive use of the gym during a battering-ram challenge. Bob and Dolvett, meanwhile, try to get through to contestants they feel aren't putting in enough effort to shed pounds.
Episodes in Season 13
Week 1
90 min
Week 2
90 min
Week 3
90 min
Week 4
90 min
Week 5
90 min
Week 6
90 min
Week 7
90 min
Week 8
90 min
Week 9
90 min
Week 10
90 min
Week 11
90 min
Week 12
90 min
Week 13
90 min
Week 14
90 min
Week 15
90 min
Week 16
90 min
Week 17
90 min
Week 18 - Finale
90 min