Catalyst: Acoustic Ecology Lab

“Catalyst” explores the importance of listening and how the environment and our hearing are intertwined.

WATCH: See more from season 2 of “Catalyst”

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In this segment:

Garth Paine, Sabine Feisst, Kyle Hoefer

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'Professor T' Season 3

Professor T's first few days in a tough and unfamiliar new environment are a disaster, but will he cooperate with the efforts of his friends and family to help him? From Walter Presents, in Flemish with English subtitles.

Prime Afternoons: All your PBS favorites, in the daytime

Prime Afternoons on Arizona PBS

Miss a show in the evening? Enjoy some of our highest-rated primetime evening shows earlier in the day during Prime Afternoons.

American Experience “The Polio Crusade”

Discover the story of a disease that gripped the nation in fear, leaving thousands paralyzed - and the ardent crusader who fought against it.