When Fran marks off the days on the calendar, we see there are only 30 days in October, but in the episode "Little Boy Boo", a neighbor yells at Robbie and Baby for coming over on the 31st of October asking for candy.
When the kids are sitting at the table non-responsively, Robbie raises his hand when Earl comes in, in the next shot showing them from Earl's POV, Robbie's hand is down.
According to the insurance adjuster, "A meteor is only a meteor until it enters the Earth's atmosphere at which point it becomes a meteorite." According to Merriam-Webster a meteorite is "a meteor that reaches the surface of the earth without being completely vaporized." Merely entering the atmosphere is not sufficient for the definition.