The speech Jeff gives to encourage Lester ("If you had one shot, one opportunity, to seize everything you ever wanted, one moment, would you capture it, or just let it slip") are the exact lyrics from the Eminem song "Lose yourself".
Sarah says they have to plant the GLG-20s at the party Anna's new boyfriend is having at his showroom. In episode Chuck Versus the Marlin (2008), it is established that the GLG-20 is the most advanced listening devices used by the CIA and NSA. The code name is a reference to classic spy comedy Spies Like Us (1985), an ongoing source of references, for this show.
The first episode to mention Jeffster.
Morgan reveals that Anna's middle name is Melinda.