This episode was originally written as a series finale because it was unclear if they were to be renewed for a new season.
The writing on the page in the notebook that the agent flips past says: WANT SCHRADER SCHRADER WHERE SCHRADER.
A photo in Hector Salamanca's room shows a younger version of him holding twin babies (Marco and Leonel), and standing next to a scowling kid (Tuco).
Fourth and final episode to take place over just one day.