PBS
Tubi TV
E1The Secret Lives of Our Urban Birds
Where to watch
Seasons & Episodes
E1
E2The Big Brew Challenge
E3Miracle Babies: Operation Hope
E4Forever Young? The Rise of Injectables
E5Solar Storms: A Warning from Space
E6The Science of Relationships
More like this
Frontline
1983 · 6.5
History's Greatest Mysteries
2020 · 7.7
Live to 100: Secrets of the Blue Zones
2023 · 7.7
Earth at Night in Colour
2020 · 8.2
Top Gear
1978 · 8.0
Planet Earth III
2023 · 8.6
Biography
1987 · 6.7
How Do They Do It?
2006 · 7.5
Natural World
1983 · 7.4
Nature
1982 · 7.9
48 Hours
1988 · 7.0
MegaStructures
2004 · 7.5
Catalyst — streaming FAQ
Which OTT platform streams Catalyst?
Catalyst is streaming on PBS and Tubi TV in United States. It's not currently on Netflix.
Is Catalyst on Netflix?
No, Catalyst is not on Netflix in United States as of September 2026. It's currently on PBS and Tubi TV.
Is Catalyst on Amazon Prime Video?
No, Catalyst isn't on Amazon Prime Video in United States right now. It's on PBS and Tubi TV instead.
Where can I watch Catalyst for free?
Catalyst is available to stream free (with ads) on PBS and Tubi TV in United States.
How many seasons does Catalyst have?
Catalyst has 10 seasons so far.
Are all episodes of Catalyst out yet?
The 10 released seasons of Catalyst are complete, but the show is still in production — a new season is expected.
Is there a Season 11 of Catalyst?
A Season 11 of Catalyst hasn't been officially confirmed yet.
