Stan says that Steve got to shake hands with Morgan Freeman while he was pulling his hands off his neck. He also states that Freeman was the narrator in March of the Penguins and that it was a powerful piece of cinema, though he also claims to have not seen it.
Klaus plays "Hava Nagila" on Champagne glasses.
Stan remarks of Steve's favorite author being Harry Potter (actually, JK Rowling). This idea would be taken literally in "Dope & Faith".