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.

Viewers without cable can watch the latest episodes of Tyler Perry’s “Sistas” live and on demand for free by using streaming services that offer BET, including Philo (7-day free trial) and DirecTV (5-day free trial). Fubo also carries BET and offers $20 off the first month of service.