At the beginning of the second season, a longer intro was introduced that included all of the characters in the show, and not just the doctors. It was quickly scuttled when NBC decided to extend the length of the episodes in an attempt to win more viewers. See more
The x-ray with the show's title shown in the beginning is turned the wrong way: the heart should be seen on the right hand side. This was an intentional mistake put in by creator Bill Lawrence
to represent the core idea of the show: young doctors in over their heads. Bill Lawrence reminds viewers that this goof was completely intentional in interviews, DVD commentaries, and virtually any other available opportunity. See more
[referring to a huge influx of patients because of a news report on E.coli
What the hell are we supposed to do?
Loretta, relax. I've been involved in every ridiculous TV induced panic there is - poison pills, SARS, West Nile, North Face, South Fork, East River, Monkeypox, pop rocks, toilet snakes, Mad Cow, Bird Flu, Swine Flu, and quite frankly every other flu that you could really only catch if you actually fornicated with the animal it's named for. And as a parting gift, I will tell you this ...