Walt tells Lydia to "Learn to take yes for an answer." This is the same advice that Mike gave Walt in Thirty-Eight Snub (2011).
When Walt is meeting with Jack and his gang, he notices a painting on the wall and wonders if he has seen it before. It is a copy of the same one that was in his hospital room in Bit by a Dead Bee (2009).
The episode won an Emmy Award for Outstanding Single-Camera Picture Editing for a Drama Series.
Walt tells Skyler 'he's out' at the sink while she washes dishes. Mirroring almost exactly how he told her that he'd do the cancer treatment. She was also standing at the sink washing dishes when he broke that big news to her.
At the conclusion of Walt and Lydia's meeting, Lydia shakes Walt's hand and declares, "We are going to make a lot of money together." This line is nearly identical to what Tuco Salmanaca told Walt in the season 1 finale A No-Rough-Stuff-Type Deal (2008).