Scrubs S04 E06 My Cake

"Laughter is the best medicine... Especially when it's your first day as a doctor."

When Dan resurfaces, J.D. is shocked to learn his father has passed away. The reactions from his co-workers help J.D. a little, but the one person, Dr. Cox, who he wanted to be there for him is too busy with J.D.'s patients. Meanwhile, Dan sits drunk in the bath tub the whole day and Turk finds out he has Type II Diabetes.