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NOVA
When Whales Could Walk
Season 51
Episode 1
A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.
- Only Available with Passport Starting
- 3/5/2026
- Airdates
- Friday Jul 18, 12:00 PM PDT on PBS SoCal Plus
- Sunday Jul 20, 10:00 PM PDT on PBS SoCal Plus
- Monday Jul 21, 2:00 AM PDT on PBS SoCal Plus
- Monday Jul 21, 4:00 PM PDT on PBS SoCal
- Monday Jul 21, 9:00 PM PDT on PBS SoCal Encore
- Tuesday Jul 22, 4:00 PM PDT on PBS SoCal WORLD
- Tuesday Jul 22, 9:00 PM PDT on PBS SoCal WORLD
- Wednesday Jul 23, 3:00 AM PDT on PBS SoCal Encore
- Wednesday Jul 23, 5:00 AM PDT on PBS SoCal WORLD
- Wednesday Jul 23, 9:00 AM PDT on PBS SoCal Encore
- Wednesday Jul 23, 3:00 PM PDT on PBS SoCal Encore
- Saturday Jul 26, 8:00 PM PDT on PBS SoCal Encore