Catalyst: Saguaro cactus

“Catalyst” follows a team of scientists who while sequencing the Saguaro cactus made a surprising discovery. “Catalyst” also joins a Saguaro fruit harvest in the Saguaro National Forest.

In this segment:

Martin Wojciechowski

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Summer of Space: Arizona PBS brings you the universe

Summer of Space

This summer, Arizona PBS is featuring a celestial programming spectacle sure to excite any space enthusiast in celebration of the 50th anniversary of the Apollo 11 moon landing.

"The Great British Baking Show": Amateur bakers rise to the top

All the decadent breads, cakes, pastries and pies take center stage for an encore of "The Great British Baking Show" each Friday night at 9 p.m. on Arizona PBS.

Explore 50 years of activism by Chicanos Por La Causa

Chicanos Por La Causa: Dime Quien Eres

The documentary explores the roots of Chicanos Por La Causa as a group of young students protesting academic discrimination and racial injustice at their Phoenix high school and its growth into one of the largest Latino organizations in the country.