Catalyst: Aging infrastructure

“Catalyst” explores the aging infrastructure of Los Angeles and why an Arizona State University professor says there may be lessons we can learn for the future of the Valley.

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In this segment:

Mikhail Chester, Ph.D.

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Return to the world of 'Father Brown'

The charming Father Brown returns to solve more mysteries in the sleepy Cotswold village of Kembleford. The new season starts Saturday, Sept. 14, at 7 p.m. on Arizona PBS.

'Nova' delivers stories from the front lines of science

"Nova" explores new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.

'Durrells in Corfu' returns for a fourth season of family adventure

The Durrells in Corfu returns for a fourth season of eccentric family adventures on a Greek isle in the 1930s.