ER is a wonderful television series starring wonderful actors as each of the doctors and nurses at Chicago's fictional Cook County General Hospital.

Season 1

[Carol is pushing a biker in a wheelchair]

Carol Hathaway: You know what we call motorcycles around here, Ace?

Patient: No. What?

Carol Hathaway: Donor-cycles.

Patient: [laughs] Donor-cycles. I like that.

Carol Hathaway: You would.

Season 3

Mark Greene: I've given it a lot of thought, and I've decided to be spontaneous.

Susan Lewis: I'm hyperventilating, leave me alone.

[Romano has just started operating when the power goes out]

Robert Romano: Wish I hadn't just made that incision...

Romano: [To a very pregnant Elizabeth] Are you sure you can still reach the table?

Elizabeth: At least I can see the table...

[It's Sam's first day, and she has just jumped on a hostile patient and stabbed him with a syringe]

Romano: Please tell me she works here...