The Office (2005)

The Alliance - S1-E4

Continuity mistake: Jim writes in Meredith's birthday card that she is an accountant, but later in the series it's said that she's a customer relations rep instead.

The Alliance - S1-E4

Continuity mistake: Dwight is hiding in a box in the basement when Pam comes down to the basement and pretends to make a secretive phone call. As she does so the box that Dwight is hiding in changes position on the floor, presumably so that the camera can catch the holes that Dwight has made in the box in order to breathe.