When Andy drives up to the gas station the pumps both say Regular on top. When he's about to leave, standing on the opposite side of the pumps, they say Super. The pumps, obviously props, frequently display differing grades of gasoline on any given day throughout the entire series.
Goober's beard is neatly trimmed on the bottom when he arrived back in town. Though, he tells Andy "he forgot his razor" on his hunting trip.