Scrubs (2001)

S4E6 My Cake

J.D. is taken aback when Dan returns to his life, only to discover that his father has died. Although his colleagues offer some support, J.D. desperately wishes for Dr. Cox's presence, but he is preoccupied with J.D.'s patients. In a parallel storyline, Dan spends the day intoxicated in the bathtub, while Turk receives the news that he has Type II Diabetes.