Catalyst: Racing against infectious diseases

“Catalyst” follows ASU professor and microbiologist Cheryl Nickerson as she seeks to find cures for remaining strands of infectious diseases.

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In this segment:

Cheryl Nickerson, professor, Biodesign Center for Immunotherapy, Vaccines and Virotherapy

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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.

Swedish crime thriller 'Modus' comes to Arizona PBS

Ex-FBI profiler Inger Johanne Vik is drawn into investigating a series of brutal murders in Stockholm after her daughter becomes an unwitting witness to a murder.

Detective odd couple 'Shakespeare and Hathaway' return

The unlikely detective duo of return to Arizona PBS for a second season beginning Thursday, Sept. 5, at 9 p.m. on Arizona PBS.  This quirky crime drama is packed with corpses, comedy and cracking mysteries.