Dinosaurs
› Season 3
S3 E20: We Are Not Alone
Robbie poses as a space alien and orders Earl to get involved in cleaning up Earth, never imagining that he would quit his job to launch an environmental crusade.
| Air date | May 2, 1993 |
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| Runtime | 23 minutes |
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| TMDB rating | ★ 8.0/10 |
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