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Helium may be fun At birthday party
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Secrets of the Underground

Helium may be funAt birthday party, But in the world of volcanology, It spells trouble

Helium may be fun
At birthday party, But in the world of volcanology, It spells trouble

Full Transcript

00:00:01.000 --> 00:00:03.056
Helium may be fun At birthday party,
00:00:03.057 --> 00:00:05.499
But in the world of volcanology,
00:00:05.005 --> 00:00:07.739
It spells trouble.
Duration
8 seconds
Views
16
Timestamp in Movie
00:07:43
Uploaded
Jul 09, 2025
Season
1
Episode
7
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E08 This dark, dank basement is where - Secrets of the Underground 00:07
This dark, dank basement is where
S01 • E01 This one definitely leads somewhere, and keeps going. - Secrets of the Underground 00:04
This one definitely leads somewhere, and keeps going.
S01 • E03 Tim suspects that the labourers stumbled across all 57 bodies - Secrets of the Underground 00:08
Tim suspects that the labourers stumbled across all 57 bodie...
S01 • E07 In 2014, the second-highest Volcano in japan, mt. Ontake, - Secrets of the Underground 00:08
In 2014, the second-highest Volcano in japan, mt. Ontake,
S01 • E01 I can hear... Right now, I can feel air coming through. - Secrets of the Underground 00:04
I can hear... Right now, I can feel air coming through.
S01 • E08 Troublemakers could be kept here - Secrets of the Underground 00:11
Troublemakers could be kept here
S01 • E01 So the rumour that Al Capone came in here and hid his money and booze - Secrets of the Underground 00:06
So the rumour that Al Capone came in here and hid his money ...
S01 • E02 That guard who suddenly disappeared on me - Secrets of the Underground 00:08
That guard who suddenly disappeared on me
S01 • E03 The workers would have found eight of the bodies in caskets, - Secrets of the Underground 00:06
The workers would have found eight of the bodies in caskets,
S01 • E07 It killed 58 people, And 5 are still missing. - Secrets of the Underground 00:05
It killed 58 people, And 5 are still missing.
S01 • E07 In an effort to prevent Future catastrophes, - Secrets of the Underground 00:08
In an effort to prevent Future catastrophes,
S01 • E01 But to confirm these tunnels really keep going, - Secrets of the Underground 00:07
But to confirm these tunnels really keep going,
S01 • E08 Some of the rumours that were spreading at the time were that - Secrets of the Underground 00:10
Some of the rumours that were spreading at the time were tha...
S01 • E02 So now I'm beginning to wonder about another theory I've come across, - Secrets of the Underground 00:10
So now I'm beginning to wonder about another theory I&#...
S01 • E03 So, those eight were buried in a proper Irish-Catholic fashion, - Secrets of the Underground 00:05
So, those eight were buried in a proper Irish-Catholic fashi...
S01 • E07 In helium gases Prior to the blast. - Secrets of the Underground 00:05
In helium gases Prior to the blast.
S01 • E03 But Tim thinks that out of respect, - Secrets of the Underground 00:05
But Tim thinks that out of respect,
S01 • E01 GPR emits a pulse of electromagnetic energy into the wall. - Secrets of the Underground 00:04
GPR emits a pulse of electromagnetic energy into the wall.
S01 • E07 Often right before A volcano erupts, - Secrets of the Underground 00:06
Often right before A volcano erupts,
S01 • E01 The pulse bounced back to a receiver, - Secrets of the Underground 00:08
The pulse bounced back to a receiver,