Angela Kinsey's (Angela Martin) daughter Isabel was in Cece's dance recital scene.
Linda Purl (Pam's mom, Helene Beesly) had a speaking part in this episode, but it was cut from episode. (It can be seen in the "deleted scenes" portion of the DVD.) However, you can see her face behind Pam during the children's recital.
Dwight tries to make everyone secretly sign a customer loyalty pledge by pretending it's for coffee orders. Before Phyllis signs it she reads it and realizes it's a customer loyalty pledge. In the season 5 episode "Stress Relief," Dwight needs everyone to sign his apology after faking an office fire, but everyone refuses. He then tricks everyone except for Phyllis into signing it by pretending it's an attendance sheet.
Dwight tells Darryl that he's "delivering a big shipment of fun" as he starts to listen to music. The band singing the song, which is titled "We Are Young," is named Fun.