Featured episode
April 16, 2021
Catalyst: Better-living for dogs in shelters
April 16, 2021
Catalyst: Bacteria to improve autism symptoms
April 16, 2021
Catalyst: Cancer research in dogs
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Previous episodes
Nov. 4, 2020
Catalyst 304: Body and mind
Nov. 4, 2020
Catalyst 303: Isotopic forensics
July 29, 2020
Catalyst 302: Looking for signs that point to life
July 29, 2020
Catalyst 301: Eyes on Mars
Nov. 25, 2019
Season 3: Coming in 2020
July 3, 2019
Catalyst: Best of Season 2
June 26, 2019
Catalyst: ELL teaching programs
June 26, 2019
Catalyst: Closer look at asteroid Bennu
June 19, 2019
Catalyst: Racing against infectious diseases
June 19, 2019
Catalyst: inclusion and exclusion bias
June 19, 2019
Catalyst: Distracted driving
June 19, 2019
Catalyst: Recycled asphalt
June 12, 2019
Catalyst: Walk on Mars Project
June 12, 2019
Catalyst: Urban Heat Island
June 12, 2019
Catalyst: Jupiter Ice Moon
June 12, 2019
Catalyst: NASA satellite images of our solar system
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Antiques Roadshow: Celebrity Edition
In three special episodes, "Antiques Roadshow" is featuring celebrity guests as the series continues its quest to reveal hidden treasures found in homes across America.
Arizona PBS celebrates Asian-American and Pacific Islander Heritage Month
Celebrate the experience, heritage and contributions of Asian Americans and Pacific Islanders through the month of May.
'Atlantic Crossing' on Masterpiece
A princess steals the president's heart in this drama based on the relationship of Franklin Roosevelt and Norwegian Crown Princess Martha.