1. Michael apparently has his own brand of salad dressing called “Great Scott.”
2. When Jim signs Meredith's cast, it looks like he signs "John Krasinski" and not "Jim Halpert."
3. Dunder Mifflin's address is "1725 Slough Ave.," which is a nod to the UK's Office that takes place in Slough, Berkshire.
4. In Season 4, Michael definitely has a bedazzled wallet.
5. It looks like a prop label that reads "Oscar" was never removed from Oscar's bottle of wine.
6. The Finer Things Club uses the teapot that Jim got for Pam.
7. The office building used in the pilot is different from the one we know and love.
8. Jim's last name was spelled wrong on the sign for his and Pam's rehearsal dinner.
9. It's hard to tell, but it kind of really looks like Creed has a copy of his mugshot hanging on his desk wall.
10. The paper that's being highlighted in the opening credits is actually a Los Angeles Department of City Planning document.
11. In "Traveling Salesmen," when the camera zooms out, you can see a palm tree from the show's filming location in California.
12. This article in the Dunder Mifflin Employee Newsletter is filled with delightful fake words and sentences from the prop department.
13. The actor who plays Nick the IT guy previously appeared as a "graphic design guy" in an earlier season.
14. One of the vending machines in their office is extremely expensive.
15. Post-Jan, Michael never gets rid of the plasma TV on the wall that Jan cracked...instead he just keeps it and puts another TV right below it.
16. During Season 6, Dwight was growing a beet at his desk.
17. In Threat Level Midnight, Michael recreates a scene from Armageddon.
18. And most importantly, it looks like Jim might have been reimbursed for the money he spent on dressing up like Dwight.
As Reddit user iDontGiveAFrak noticed, Jim paid $11 for his Dwight outfit ($4 for the glasses and $7 for everything else)...and later on in the episode, Angela makes fun of Kevin for not knowing that four plus seven is eleven. Good job, Jim.
An item was removed from this post after we realized it referenced something that was, indeed, mentioned in the episode.