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| Title | : | Horizon |
|---|---|---|
| Genre | : | Documentary |
| Overview | : | First of a two-part special. Ten volunteers have come together for an extraordinary test. Five are 'normal' and the other five have been officially diagnosed as mentally ill. Horizon asks if you can tell who is who, and considers where the line between sanity and madness lies. |
| How to watch? | : | Select a server above. If one doesn't work, try another. The video should load quickly! |
