Character mistake: Carol says that Michael proposed to her on their fourth date. The proposal happened in Season 3, Episode 6, Diwali, and in that episode, Carol mentioned that it was their ninth date.
Character mistake: In the scene where Ryan and Andy are taking a tour of Gabe's bedroom, Ryan says "Hey, Marantz tube stereo from the 1970s" It is in fact a Marantz SR 1000 stereo receiver. This model uses solid state electronics, not vacuum tubes. (00:13:30)
Answer: In the 2007 episode "Ben Franklin" when Jim is talking to Pam there is a candy bar with a purple wrapper that says "Picar-" I assume picaroon, it's hard to see past Pam. I found this trying to investigate what that candy bar is lol.