In preparation for the series iconic 600th episode, “The Simpsons” will offer viewers a Virtual Reality (VR) experience.

Called “Planet of the Couches,” the milestone 600th episode of the animated series, the all-new “Treehouse of Horror XXVII,” on Sunday, Oct. 16 (8:00-8:31 PM ET/PT), on FOX.

“Planet of the Couches” takes the viewer on a completely immersive VR experience. In this VR “couch gag,” the world of  “The Simpsons” is extended 360 degrees, an augmentation of “The Simpsons'” 600th episode, unprecedented in television history. The audience is able to enter and explore the universe of “The Simpsons” with multiple viewings yielding different results. Truly a groundbreaking event.

“At first we had concerns about working with Google because we didn’t know who they were, but then we googled the company and were very impressed,” said Homer Simpson.

There will be 25,000 limited edition Google Cardboard viewers (now sold out)  available for order on a first-come, first-served basis, featuring one of the five main characters from “The Simpsons”  – Homer, Marge, Bart, Lisa and Maggie – with a customized 600th episode “Treehouse of Horror XXVII” slipcover, beginning today at simpsonscardboard.com in the U.S. only.

Catch “The Simpsons” 600th episode on Sunday, October 16 n FOX.