Catalyst: Early detection, early treatment

Dr. Diego Mastroeni works to understand how specific cells in the brain may be the key to understanding how, when and why Alzheimer’s Disease begins.

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'Poldark' returns for a fourth season

Poldark, season 4

"Poldark" returns to Masterpiece for a fourth season Sunday nights at 8 p.m. beginning Sept. 30 on Arizona PBS.

44th season of 'Austin City Limits' begins Oct. 6

Austin City Limits, the longest running music program in television history, is back for its 44th season every Saturday night at 11 p.m. beginning Oct. 6 on Arizona PBS.

The mystery and suspense of 'The Woman in White' comes to Arizona PBS

A random encounter on the side of the road leads to a man's world being turned upside down in "The Woman in White," coming Sundays at 9 p.m. on Arizona PBS.