From "Garfield and Friends: Fraidy Cat/U.S. Acres: Shell Shocked Sheldon/Nothing to Sneeze At (#1.4)"
[the front door opens
] Look! Footprints, and they look like they're from some sort of unearthly creature.
[looks at his own foot
[slams the door shut, to Odie
] Quick, help me barricade the door!