Revealing mistake: When Oscar is talking to the camera crew, and Kevin appears with his ice-cream falling, you can see his thumb having pushed the ice-cream scoop off the cone.
The Target - S9-E8
Revealing mistake: When Angela asks Dwight to meet in their old spot, she arrives to see him apparently naked. There is pixelation around his groin area, but you can still see that he's actually wearing flesh-coloured underwear. (00:18:05)
Suggested correction: Michael didn't establish the contract with Hammer-mill. Rather, he locked them up as an exclusive supplier. It's unknown if they were already selling the products to Dunder Mifflin alongside Staples and Office Max.
Wrong, Josh says they cannot sell Hammer-mill products as they are exclusive to Staples so therefore they wouldn't have been able to sell there products alongside as mentioned before until Michael made them an exclusive to them solely, Dunder Mifflin. Therefore the original mistake stands true.