The Observer Effect
Episode 11 of 22 within Season Four.
Item 87 of 98 overall.
Production number 087.
7.88
140 votes
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Noncorporeal aliens study the Enterprise crew as they respond to a fatal viral infection brought on board from an away mission.
related items
| Previous episode : | |
| 086 | Daedalus |
| Next episode : | |
| 088 | Babel One (I) |
regional titles
- Dutch
- Unknown
- English
- The Observer Effect
- French
- L'expérience témoin
- German
- Beobachtungseffekt
- Irish
- Unknown
- Italian
- Gli osservatori
- Spanish
- Unknown
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