ER S00 E03 Ambush (West Coast)

"Life. Death. Chaos. It's all in a day's work."

The plot of the episode "Ambush," which aired in 1997, revolves around a PBS documentary crew filming a "typical day" in the emergency room at Chicago's County General Hospital. The episode was notable for being filmed and broadcast live twice: once for East Coast viewers and again for West Coast viewers.