When Jim puts Dwight's stapler in Jell-O.
When Jim tells Dwight the impersonator he hired is the real Benjamin Franklin.
When Jim stacks Pam and Dwight's desks to form "quad desk".
When Jim tries to convince Dwight that Dwight smoked weed.
When Jim tricks Dwight into fighting himself.
When Jim pretends to be "William M. Buttlicker".
When Jim attaches a 500-foot wire from the back of Dwight’s computer to a telephone pole.
When Jim and Pam trick Dwight into believing he's being recruited by the CIA.
When Jim sells Dwight magic beans at a garage sale.
When Jim convinces Dwight it's Friday instead of Thursday.
When Jim tricks Dwight into thinking Jim’s hotel room was a murder scene.
When Jim switches Dwight's suit with a tearaway Velcro version.
When Jim gradually increases the weight of Dwight's telephone.
When Dwight finds all his desk items in a vending machine.
When Jim conditions Dwight to expect an Altoid mint every time he hears a computer chime.
When Jim replaces Dwight's desk and chair with a cardboard version wrapped in Christmas paper.
When Jim convinces Dwight that he's turning into a vampire.
When Jim and Pam learn Morse code to talk about Dwight in front of his face.
When Jim tricks Dwight into following fake party customs for his garden party.
When Jim sends faxes to Dwight from "Future Dwight".
When Jim dresses up as Dwight.
When Steve takes Jim's place and pretends to have been Jim the entire time.
When Jim tells Dwight he can't be his bestest mensch.