Many fans searching for are veterans of the 1990s classic ER . While ER was shot on 35mm film (which technically has a resolution higher than 1080p), it was mastered for standard definition television of the era. The framing was wide, the lighting was high-key, and the acting was theatrical.

In a moment of ER chaos, a homeless man is brought in; when his clothes are removed, rats scatter across the hospital floor.