Erin names all the winners of the Triple Crown in horse racing to distract Pam from her contractions.
Michael Scott says to Pam "But you had to have the Afternoon Delight didn't you." Actor Steve Carell sang the song "Afternoon Delight" in Anchorman: The Legend of Ron Burgundy (2004).
Andy comments that his name was originally Walter jr., but his parents decided to change it. His love interest at this point is Erin. When she was originally introduced to the show, her name was Kelly, but Charles Miner changed it to avoid confusion with Kelly Kapour.