Continuity mistake: In the scene where Ken is picking Rita up from school her bookbag is red with 2 triangles on it as they go around the school, after Rita gets on, her bookbag then turns blue with no triangles.

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Continuity mistake: In the birthday party scene, Ken is holding a present in his hand just as he begins to hug Rico. In the next shot the present suddenly disappears as they are still hugging.