Jackie covers for her boss when he experiences a panic attack.

Jackie meets with her divorce lawyer.

Zoey surveys her coworkers for the best ways to conduct a breakup.

Jackie has a disturbing dream about using; Zoey loses her ring.

Zoey loses her engagement ring.

Coop insists on being involved with O'Hara's child.

O'Hara listens to Jackie vent about her divorce.

Jackie meets Kevin for lunch but is served with divorce papers.

Dr. Cooper shows the nurses their new scrubs.

Jackie asks Zoey if she wants to temporarily live with her.

Jackie learns that her daughter knows the truth about rehab.

Jackie befriends one of her patients.

Zoey confronts Jackie about being in rehab.

Jackie leaves rehab early against her therapist's advice.

Jackie prepares to leave rehab early against her therapist's medical advice.

Mike Cruz and Coop ask Jackie for her opinion on new rules for the nursing staff.

Jackie detoxes in rehab, where she befriends a teenage addict.

Jackie attends group therapy while in rehab.

Akalitus joins the rest of the nurses on the floor.

Edie Falco returns as super-nurse Jackie Peyton in NURSE JACKIE.

Jackie hits rock bottom and seeks professional help.

Mike Cruz introduces himself to the staff at All Saints.

Jackie asks to cash in her vacation days.

The Creators and Producers of Nurse Jackie discuss Jackie going to rehab.