
Access to this video is a benefit for members through PBS Passport.
Back to Show
Expedition
Saudi Arabia: Expedition Volcanic Underworld
Season 2
Episode 2
Follow Steve on a mission to explore an unmapped volcanic underworld in search of the longest lava tube in Arabia. On this expedition, Steve and his team start their journey at the ancient city of Hegra, where secrets lie waiting to be uncovered.
- Airdates
- Tuesday Jul 8, 6:00 PM PDT on PBS SoCal WORLD
- Tuesday Jul 8, 11:00 PM PDT on PBS SoCal WORLD
- Wednesday Jul 9, 7:00 AM PDT on PBS SoCal WORLD
- Saturday Jul 12, 2:00 AM PDT on PBS SoCal WORLD
- Saturday Jul 12, 7:00 AM PDT on PBS SoCal WORLD
- Saturday Jul 12, 1:00 PM PDT on PBS SoCal WORLD
- Tuesday Jul 15, 2:00 AM PDT on PBS SoCal WORLD
- Tuesday Jul 15, 8:00 AM PDT on PBS SoCal WORLD
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

Unlock with PBS Passport
51:23
Embark with Steve to the remotest parts of the planet.

Unlock with PBS Passport
51:08
Join a shark expedition to a remote volcanic island in Mexico’s Eastern Pacific.

Unlock with PBS Passport
51:49
Travel to Gabon, where Steve explores the jungle in search of an undiscovered population o

Unlock with PBS Passport
51:07
Travel to Kyrgyzstan with Steve in search of snow leopards.

Unlock with PBS Passport
51:59
Join Steve Backshall on the Kamchatka peninsula and examine brown bears in the wilderness.