2:00 PM: Secrets Of The Underground (S1 E2) (S1) | Discovery Science | 2/4 2026

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Secrets Of The Underground « at 2:00 PM on Discovery Science

Episode 2

Broadcast info
Published:	2017
Episode:	Mystery Of The Serpent Mound

Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.

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How Do They Do It? ...

How Do They Do It? (S11 E2)

5:30 AM

How It's Made: Dream Cars (S3 E9)

6:00 AM

TELESHOPPING

6:30 AM

TELESHOPPING

7:00 AM

TELESHOPPING

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TELESHOPPING

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Killers Of The Cosmos (S1 E3)

9:00 AM

Killers Of The Cosmos (S1 E4)

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Killers Of The Cosmos (S1 E5)

11:00 AM

You Have Been Warned (S6 E7)

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You Have Been Warned (S6 E8)

1:00 PM

Richard Hammond's Big (S1 E7)

2:00 PM

Richard Hammond's Big (S1 E8)

3:00 PM

How the Universe Works (S5 E6)

4:00 PM

How the Universe Works (S5 E7)

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How the Universe Works (S5 E8)

6:00 PM

How Do They Do It? (S16 E15)

6:30 PM

How Do They Do It? (S16 E16)

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How Do They Do It? (S16 E17)

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How Do They Do It? (S16 E18)

8:00 PM

How Do They Do It? (S16 E19)

8:30 PM

How Do They Do It? (S16 E20)

9:00 PM

How the Universe Works (S7 E1)

10:00 PM

How the Universe Works (S7 E2)

11:00 PM

NASA's Unexplained Files (S4 E1)

12:00 AM

NASA's Unexplained Files (S4 E2)

1:00 AM

How the Universe Works (S5 E6)

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How the Universe Works (S5 E7)

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Secrets Of The Underground « at 2:00 PM on Discovery Science

Episode 2

How Do They Do It? ...

How It's Made: Dream Cars (S3 E9)

TELESHOPPING

TELESHOPPING

TELESHOPPING

TELESHOPPING

Killers Of The Cosmos (S1 E3)

Killers Of The Cosmos (S1 E4)

Killers Of The Cosmos (S1 E5)

You Have Been Warned (S6 E7)

You Have Been Warned (S6 E8)

Richard Hammond's Big (S1 E7)

Richard Hammond's Big (S1 E8)

How the Universe Works (S5 E6)

How the Universe Works (S5 E7)

How the Universe Works (S5 E8)

How Do They Do It? (S16 E15)

How Do They Do It? (S16 E16)

How Do They Do It? (S16 E17)

How Do They Do It? (S16 E18)

How Do They Do It? (S16 E19)

How Do They Do It? (S16 E20)

How the Universe Works (S7 E1)

How the Universe Works (S7 E2)

NASA's Unexplained Files (S4 E1)

NASA's Unexplained Files (S4 E2)

How the Universe Works (S5 E6)

How the Universe Works (S5 E7)

Truth Behind the Moon Landing (S1 E3)

Truth Behind the Moon Landing (S1 E4)

Head Office

London

Denmark

Copenhagen

Spain

Barcelona

USA

Los Angeles

Company