Holly is the second person to tell Michael that the office is a work place and not a family. Ed Truck was the first one.
Is the first episode Jenna Fischer (Pam) does not appear in, but her voice is heard. Pam was in deleted scenes and can been in the "super fan" version of this episode streaming on Peacock.
When Jim is talking to Andy about Battlestar Galactica (2004), he's obviously discussing it incorrectly in order to goad Dwight into wasting time. The franchises he references during his "recap" are: Star Wars, Star Trek, Harry Potter, and The Lord of the Rings.