24 Hours (1) (a.k.a. The Longest Day (1)) - S1-E1
Visible crew/equipment: When Hathaway tells Ross and Greene there are no more patients, the two doctors are standing in the corridor, and you can see their tape marks on the floor for where they need to stand. (00:11:15)






Answer: It was in "Chaos Theory" which is the first episode of season 9 (time code 00:13:55).
Super Grover ★