![](https://image.tmdb.org/t/p/w342/nWpatnVtPVxjsn7mMiRZNAalEMf.jpg)
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Tom and Diana investigate a mysterious structure being built at a psychiatric hospital, based on the drawings of one of their patients who's a 4400.
Prima Aeris Date : Jul 11, 2004
Aeris ultimum diem : Sep 16, 2007
Episode : 44 Episode
Season : 4 Season
runtime: 42 minutes
Studio: USA Network
Patriam: United States of America