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According to several sources a precession takes 26,000 years and our current cycle ends 12-21-2012.
Super VolcanoSeason 1 : Ep. 2 (45:51)
The End of the WorldExcerpt (04:09)
Post-Blast DecontaminationExcerpt (03:59)
Firework DesignersExcerpt (03:27)
Extraterrestrial TsunamiExcerpt (02:32)
Ice Age CyclesExcerpt (04:29)| Season:Episode | Title |  | Runtime | Air Date | User Rating | Queue |
| Season 1 | ||||||
| 2 | Super Volcano | 45:51 | 09/22/2004 |  | ||
| Season:Episode | Title | | Type | Runtime | Air Date | User Rating | Queue |
| - | Post-Blast Decontamination | Excerpt | 03:59 | 10/31/2009 | | ||
| - | The End of the World | Excerpt | 04:09 | 10/17/2009 | | ||
| - | Firework Designers | Excerpt | 03:27 | 06/26/2009 | | ||
| - | Extraterrestrial Tsunami | Excerpt | 02:32 | 06/26/2009 | | ||
| - | Life on Venus | Excerpt | 04:11 | 06/08/2009 | | ||
| - | Gravity, Black Holes and Cosmic Strings | Excerpt | 05:22 | 05/30/2009 | | ||
| - | Space Probes | Excerpt | 02:16 | 05/30/2009 | | ||
| - | Ice Age Cycles | Excerpt | 04:29 | 05/30/2009 | | ||
| - | Hubble Trouble | Excerpt | 03:09 | 05/30/2009 | |
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