Charles Baker (Skinny Pete) can really play the keyboard. In this scene Baker plays "Solfeggietto No. 2 in C Minor, H 220, Wq. 117" by Carl Philipp Emanuel Bach.
In one scene Walter and Walt Jr. are watching Scarface (1983), a movie that features two guest stars on the show: Steven Bauer (Don Eladio) and Mark Margolis (Hector Salamanca).
This episode showcases the only meeting between Mike and Huell, as well as a brief path-crossing between Mike and Skinny Pete / Badger.
In this episode Walter & Walter Jr. are watching the movie Scarface, which might be a homage because Vince Gilligan's goal for Walter White was to make him go from Mr. Chips (from the movie Goodbye, Mr Chips) to Al Pacino's character Tony Montana in Scarface.
Walt and Jesse let an episode of The Three Stooges play in the background while they talk after cooking. Jesse previously watched this when he smoked marijuana in Season 1.