Catalyst: animal immune systems

“Catalyst” explores how elephant and dog immune systems can inspire new treatments for controlling tumor cells.

Sponsor message:

In this segment:

Dr. Stephen Johnston,
Carlo Maley, PhD,
Angelo Fortunato, PhD

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“Check, Please! Arizona” returns to Arizona PBS

Three guests sit at the Check, Please! Arizona table on set with host Mark Tarbell.

Arizona PBS is issuing a call for nominations of local and independently owned Arizona restaurants to be featured on new episodes of returning fan-favorite series “Check, Please! Arizona.”

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.

Chart a course for Destination: Drama!

Destination Drama title screen

Starting at 1 p.m. every Sunday, Arizona PBS is airing all your favorite drama series from "Masterpiece." See what's in the line-up this month.