3. Stanley's New Year's resolution is: "Be a better husband and boyfriend."

4. The George Foreman grill that Michael burns his foot on in Season 2 — because he likes to wake up to the smell of bacon — appears in the Season 4 episode "Dinner Party."

Here he is:

7. Michael says that he is separating the trash into "whites and colors" for recycling. In an earlier season, you can see that Dunder Mifflin Scranton has different recycling bins for whites and colors.

10. One item at the garage sale is the stuck-to-the-wall painting from when Jim buys Pam their house. So they finally got it off the wall.

12. During Pam and Jim's tour of Michael's condo in "Dinner Party," pop art of Jan is visible on the wall.

13. "Absolutely, I do" is consistently the right way to respond when Dwight asks you to do something in secret.

14. Michael has an Italian flag on his desk for St. Patrick's Day.

15. Also for St. Patrick's Day, the water in the office watercooler is green.

17. Dwight tells us a very ominous Schrute wedding tradition, and he and Angela do it when they get married seasons later.

18. Michael, Dwight, and Jim drive to the Utica branch, and Michael and Dwight try to steal the copier. Later, in Season 5, it's clear that the Utica copier is padlocked.

20. This one isn't suuuuuuuper subtle, but Angela's babies-as-adults poster that Oscar hates — and complains about to Toby — was, in fact, a Christmas gift from Toby.

22. When Jan hands Michael their relationship-disclosing agreement for the company, he says he's going to frame it. He does.

23. Dwight and Kevin absolutely love fireworks in Season 2, and they're outraged by a potential lack of firecrackers in Season 6.

24. After Michael puts his face into the cement outside, there is some cement above one of his ears.

25. Pam uses the teapot Jim gave her for Christmas much later in the Finer Things Club.

31. The lawyer Michael hires in Season 2 is the same lawyer Michael mentions when he and Dwight throw a watermelon off the roof and it hits a car in Season 3.

35. The employees of Dunder Mifflin are often just playing Solitaire.

36. In Season 3, Michael tells Jan about the kind of love he wants, and it includes "ketchup fights." He puts a ketchup fight in his movie Threat Level Midnight.

37. Creed gives Jim a shirt for Christmas, but Creed actually wore that shirt to Jim's barbecue.

Here's Jim receiving the shirt:

41. Michael's girlfriend Carol — who breaks up with him because he photoshops himself into pictures of her family — has a tiny cameo in Threat Level Midnight. She's the realtor of the real-life house Michael Scarn lives in.

44. The graphic designer Pam talks to at the job fair in Season 4 is the office IT person later in the show.
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