Season 3, Episode 5: "The Library"

...because the face is so animated...

...they think we're not noticing the feet are just swinging there.

Dummy feet never look really right, do they?

They're just kind of dangling there. Always kind of askew, you know.

You always see a little ankle.

Those little thin, fabric ankles that they have, you know.

You think, "I don't think this thing is real."