''Product Recall'' (Season 3, Episode 20)
Question. Which Dwight is best: Dwight Schrute or Dwight Halpert? While it's less of a prank and more of a direct insult, Jim's impersonation of Dwight is too memorable, and dead-on, to leave out of our Office prank countdown. With a pair of $4 drugstore glasses, a tie from the Salvation Army, a calculator watch, and an unfortunate hair part, you too can become a Dwight look-alike! To be even more convincing as a Schrute, be sure to ask a series of nonsensical questions.
Dwight's revenge: A messy hairstyle, a few goofy smirks, and some unabashed flirting with Pam (in other words, an equally hilarious impersonation of Jim). Gretchen Hansen
As we return to Scranton for one final season, we revel in Jim Halpert's funniest schemes -- mostly at the expense of Dwight Schrute