Tyler Perry’s Sistas” season 9, episode 4, “One Is the Loneliest Number,” aired at 9 p.m. ET on Wednesday, August 6. The latest installment unpacked Karen, Zac, and Aaron’s guilt and grief as their friends attempted to return to life as usual.

During last night's episode of "Tyler Perry's Sistas" Karen and Zac’s grief journey was laid bare to friends and viewers as they did their best to navigate their new reality.

While Sistas has been renewed for Season 9, it is unclear if there will be a Season 10. Sistas is one of the most popular Tyler Perry shows on air right now, alongside his hit show The Oval. To watch Season 9, check out a free trial of BET on Philo.