Question: when does grey's anatomy season 13 come on now tv

title: Grey's Anatomy (season 13)
text: On the day before Alex 's trial , Bailey , Arizona and Jo drive with medical equipment including an advanced ultrasound machine to a maximum security women 's prison hospital to treat a violent teenage inmate and her unborn baby . Jo bonds with the inmate , who says that she had good times with her mother in the past and that her mother will be taking care of the baby for her until she is released . However , her mother is downstairs and tells the doctors that her actual plan is to adopt the baby . The doctors wrestle with whether to tell the inmate about this news , given her violent tendencies . When the inmate goes into labor she demands to see her mother . Jo finally says that she is downstairs but refuses to come up , and the doctors help the inmate through the delivery . Later Arizona scornfully tells her mother that the delivery was a success , and asks whether she will abandon this baby too if she turns out bad . Meanwhile , Bailey learns about the realities of patient care in a prison environment . On the way back home , Bailey tells Jo that Alex plans to take the plea deal and will be going to jail , which makes her throw up .