Hamster

Continuity mistake: As the Grinch and Max stand by the 'Dumpit to Crumpit' pipe, Max is missing his collar. It's back on him after they arrive at the dump.

Hamster ★

Continuity mistake: When Betty Lou watches Martha May shoot the lights from her machine, she is holding a string of lit Christmas lights. Then in the first shot when she leans over the roof, holding the Christmas lights, the strings of lights is off and are then lit in the following shots.

Hamster ★

Continuity mistake: When the Grinch burns the Christmas tree, in an overhead shot he isn't anywhere in sight, then in the following closeup he's back beside the ashes of the tree.

Hamster ★

Continuity mistake: When the two women who adopted the Grinch show him a plate of cookies on a santa plate when he was younger, one cookie with red icing on it falls off the plate. In the next shot it's back on again.

Hamster ★

Continuity mistake: When Max bites the Grinch in the mail room, and the Grinch starts spinning around, a pile of presents appears under the wall of mail slots between shots.

Hamster ★