The police officer that arrests the culprit stands still with his arms down, but a hand is connected to his coat, holding the culprit from the elbow.
When Velma says "Igloos smashed to bits," and Daphne says "Yeah, as if some giant monster stepped on them," their voices are coming from each other's mouths.
While disguised as dentists, Scooby says "Open wide," but his mouth doesn't move.
The gang find a totem pole in the Inuit village. However, Inuits don't use totem poles because there aren't a lot of trees in the tundra.
Inuits don't live next to the literal North Pole.
The newspaper headline refers to the Artic Circle, instead of the Arctic Circle.