The pop-up began when a large glass box appeared in Grand Central's Vanderbilt Hall, containing a replica of the four-seated desk from Lumon's Macrodata Refinement department. Hired actors playing Lumon employees sat at their desks, doing Lumon things (by which I mean, sorting numbers while not having a clue what said numbers mean).

The popular Apple TV+ series Severance makes its triumphant return on January 17 with its highly anticipated second season. We’ll return to the world of Lumon Industries, innies and outies, waffle parties and scary numbers, catching up with Adam Scott’s Mark Scout after nearly three years.