In one scene when Milhouse's mother is loading her station wagon, the car has a gray roof cargo box. In the next scene when the station wagon drives away, the cargo box has disappeared.
When Homer and his co-workers are rolling on the barrels of nuclear waste, the camera pulls back to show that this is appearing on the CCTV system being watched by Mr. Burns and Smithers. The trio remain centered on the screen as they roll at high speed, which would only be possible if the CCTV camera were moving very quickly alongside them. CCTV cameras may be capable of rotating but are otherwise fixed in position.
When Bart and Lisa enter the burial mound, Lisa likens it to Howard Carter discovering the Temple of Tutankhamun. However, Howard Carter discovered Tutankhamun's tomb. There is no Temple of Tutankhamun. Being highly educated, Lisa should surely know this.