The lab level is a lower level floor of the Old City Sanctuary.

History

It is known to consist of very large labs spaces, including the main lab (as well as Henry's array) and the medical science research lab.

Season 3

	Episode 3x12 - "Hangover": As Will Zimmerman and Bigfoot look for a missing Henry Foss, Will tells Bigfoot to sweep the north wing while Will searches the lab level.