This song makes references to the movie Casablanca, and the title itself is a reference to Humphrey Bogart, the star of the movie (2HB = to Humphrey Bogart).

Doug, Carrie, Spence and his new girlfriend Becky, go to a showing of Casablanca in the park. Doug is introduced to Becky's culinary skills with picnic food.

Jim is trying to decipher the clues Michael has given him so he can find the new leads Michael has hidden. One of the clues instructs him to go to Michael's "Moppy" place. Jim calls Pam for help, and finds out that Michael's "Mopey" place is under the streetlight that he thinks was in the movie 'Casablanca'.

The dress Lois is wearing when she is threatening to leave Peter is identical to the dress that Ingrid Bergman wears in the closing scene of Casablana

When Stan first attempts to stage the discovery, he says "Here's looking at you, gold!", a parody of the famous line from Casablanca "Here's looking at you, kid."

Roger has dinner with Annabelle, the client from Caldecott Farms, and an old lover. She says to Roger at dinner, "You mean to tell me when you saw 'Casablanca' you didn't think of me?".