6. The Houseguests were forced to survive the elements.
As if this week's live eviction show wasn't thrilling enough, things got real when Julie Chen stomped our yard with some new twists.
First of all, from here on out, there'd be no more Battle of the Block. It's only one Head of Household per week.
Plus, BB17's inaugaral solo HoH comp was also the summer's first endurance challenge. For "On The Edge," Houseguests competed against each other to see who could stay on a cliff the longest, come hell or high water. Literally.
Who was the last one standing? You'll have to wait until Sunday's episode to find out!