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).

Severance' stars Adam Scott, Britt Lower, Zach Cherry, Tramell Tillman and Patricia Arquette all appeared at the New York City station on Tuesday, Jan. 14

Apple TV+ put the cast of 'Severance,' including Adan Scott and Patricia Arquette, in a glass box at Grand Central Station to promote Season 2.

A cubicle set was placed inside a large glass box in the station, recreating a portion of the office from the series. Footage shared on social media by fans and director and executive producer Ben Stiller showed Scott cleaning the carpet and joining his fellow co-stars in pretending to work at their desks while ignoring the large crowd assembled around them.

Grand Central Terminal works as a fitting location for this pop-up thematically as it is where commuters change between their home and work lives on the way to and from work. Photo Property of Bell Works The real-life location of the Lumon Technologies office is the former Bell Labs building in Holmdel,

At Grand Central Terminal, Apple TV+ set up a glass cube of sorts with a set of Lumon Industries-style desks, straight out of the Macrodata Refinement floor. Originally, the computers were staffed by actors in suits pretending to do, well, whatever people at Lumon Industries actually do. (What is Macrodata Refinement for again?)

Adam Scott reflected on the viral 'Severance' marketing stunt held in New York City, joking that no one 'peed for 3 hours' while in the glass cubicle.

Severence Season 2’s infamous viral cast stunt at Grand Central Terminal seemed like any other pop-up, but turns out it is series canon.

Adam Scott, Britt Lower, Zach Cherry and Patricia Arquette ... posted several images from the scene to his social media, writing, “Grand Central right now.” Fans were astonished by the ...

"Severance" stars, Adam Scott, Britt Lower and others surprised fans with a pop-up ahead of the second season's debut on Jan. 17. Watch Party Newsletter Best new movies Top TV Oprah's Favorite Things

Ahead of the season two premiere of hit TV show Severance, Apple is marketing the show with a fun Severance pop-up at the Grand Central Terminal

Ben Stiller and the cast of 'Severance' takeover the terminal in their office cubicle pop-ups to promote season 2.