Catalyst: Deep space telescope

“Catalyst” explores why astrophysicists launch a balloon carrying a 5,000-pound telescope into the stratosphere over Antarctica.

Sponsor message:

In this segment:

Phil Mauskopf, PhD
Sam Gordon
Adrian Sinclair

Sponsor message:

Sign up to receive the Arizona PBS Insider

Get up-to-the-minute information about your favorite programs and learn more about Arizona PBS news and events.

Doc Martin's eighth season comes to Arizona PBS

Doc Martin

Season eight finds Doc Martin and Louisa living together again with their infant son — but even after repairing their relationship, their problems are far from over. "Doc Martin" airs Saturdays at 7 p.m., beginning June 15.

Competitive ballroom dancing takes center stage

The WORLD DANCESPORT GRANDSLAM SERIES is back, featuring the best competitive dancers in the world vying for the most prestigious titles and the prize money in the world of dance. Pictured (L-R): Olga Kulikova and Dmitry Zharkov of Russia. Photo credit: © Reinhard Egli – World DanceSport

Competitive ballroom dancing returns to Arizona PBS with the 2017 World DanceSport GrandSlam Series. The best competitive dancers in the world vie for the most prestigious titles on Sundays at 3 p.m., beginning July 7.

See how our ancestors understood the 'Ancient Skies'

Discover how centuries of knowledge, experimentation and engineering helped our ancestors understand the mysteries of space in this three-part series airing Wednesdays at 7 p.m.