Scrubs S03 E05 My Brother, Where Art Thou?

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

Dan decides to stay with J.D. for a while after their mom's new fiancé kicks him out, but after spending some quality time with him at the hospital, Dan isn't sure if he likes the cynical person his little brother has become. Elliot tries to deal with her own problems of a long distance relationship and decides to try moonlighting as a pet examiner with Carla to save up money.