It's unknown as to whether or not it is a hoax, though it certainly does "stink" of a hoax, in the sense that the script is far more dark and grim than any other episode. It seems unlikely that it is real, though no one can be sure.
The Carpet - Season 2
That occurs in the very first episode of The Office in Season 1.
Email Surveillence
Sexual Harassment. Season 2, Episode 2. However, seconds later he exclaims, "That's what she said!"
Product Recall. Season 3, Episode 20.The episode actually starts with Jim impersonating Dwight.Then, vice versa at the end of the episode.
The pilot episode of the Office is actually called The Pilot.
In Season 5, Episode 5, Michael and Holly sleep together in the office on a date, which leads to the office being robbed. The name of the episode is "Crime Aid."
The Carpet - Season 2
the episode Chair Model
The Office, Episode 3.18, The Negotiation
That occurs in the very first episode of The Office in Season 1.
In Season 5, Episode 28, "Company Picnic," everyone in the office tricks Michael into thinking that it is 5:00 pm, so that they all can go home.
Season 5 Episode "Survivor Man"
Business school....where Michael speaks to Ryan's class.
Traveling Salesman
end of season 7
The season's final episode, "Goodbye Toby" was released on May 15, 2008.