After the portal fluid is reset, Rick, Morty, and Jerry are sent back to their original universes [14]. To navigate this crisis and track their locations, Rick utilizes a "helpful paper"—a note from a creature whose brain he had been using for calculations [11].
As Rick prepares to leave, the note is seen clutched in Mr. GBM’s lifeless hand after Rick effectively worked him to death for the data [11]. Significance in Season 6 This paper is the literal roadmap that allows Rick to: Rick and Morty (S06)
Travel through extradimensional space to reach the Prime Dimension where Morty and Jerry Prime are located [11]. After the portal fluid is reset, Rick, Morty,
Rick obtained these coordinates from Mr. GBM , a creature he kept in his garage to perform complex extradimensional math [11]. GBM’s lifeless hand after Rick effectively worked him
The coordinates eventually lead Rick to confront Rick Prime , the version of himself who killed his original wife and daughter, solidifying the season's overarching hunt for the true antagonist [7, 16].
The note contains the undetermined coordinates needed for Rick to navigate the rift and find his family [11].