Continuity mistake: When Mr Burns tells Homer to wreck something, Homer throws a plant pot onto the floor and it breaks into several pieces. When Mr Burns tells Smithers to take him home, the pieces of the broken plant pot are nowhere to be seen.
Continuity mistake: In the meeting with Mr Burns and his advisers, one of the advisers holds up a photo of a guy who dated Mary Bailey and the adviser's tie is green. When he is sitting down in the next shot, his tie is now yellow.
Continuity mistake: When Mary Bailey has a group of interviewers around her her tie is blue, but in a close up of Mary in the next shot, her tie is purple.
Continuity mistake: When the man turns over the picture of Mary Bailey on the flip chart, the words "Artists Conception" are missing.
Continuity mistake: When we see the picture of Mary Bailey on the flip chart, the wording "Actual Photo" underneath the picture changes position between shots.
Continuity mistake: During the meeting with Mr Burns and his political advisers, there is an adviser in front of the flip chart and you can see it is a blank sheet of paper. But a little later on, the flip chart now has The Front sheet on top.