This was Bryan Cranston's submission for the Best Leading Actor in a Drama Series category in the 2009 Emmy Awards--his second consecutive win for the show.
The website that Walter Jr. makes for his father, savewalterwhite.com, Is active. The donation button redirected visitors to the Breaking Bad portion of the AMC website.
Holly, daughter of Walter and Skyler White, shares her name with creator Vince Gilligan's partner, Holly Rice.
Jane, who it is revealed in the next episode was born in Phoenix, Arizona, is seen wearing a shirt with a Phoenix on it in a prior episode: Over (2009).
The title "Phoenix" is most likely a reference to the Phoenix Lander on Mars, which discovered large quantities of water on that planet. This is how the discussion between Walter and Jane's father in the bar begins. It is also revealed in ABQ (2009) that Jane is originally from Phoenix, Arizona.