Season 3 Ep 62/11/2010

Although Tom Sizemore nearly leaves the unit with his girlfriend Monroe, she finally agrees to treatment and they both decide to stay.Past alumni successes from Celebrity Rehab return to encourage the patients to remain sober. The visit proves successful, as recovering alcoholic Brigitte Nielsen helps Dennis come to terms with his own alcoholism.In process group, the patients see a softer side to Kari Ann, however, she verbally attacks Mackenzie Phillips.Later, Mackenzie gets a call from her veterinarian informing her that her dog is dying of old age, and Dr. Drew helps her work through the emotions as she puts the dog to sleep.