The "Art in the Twenty-First Century" documentary "Time" examines how time is always present in our interaction with works of art, whether we sit to contemplate a painting, stroll past a sculpture, or watch a video piece for its entire duration or cycle. Some works of art are time-based in that the viewer must experience them through the passage of time, as with music, while others refer to time through links or references to art history, our collective...

What makes a compelling story? How do artists disrupt everyday reality in the service of revealing subtler truths? This episode features artists who explore the virtues of ambiguity, mix genres, and merge aesthetic disciplines to discern not simply what stories mean, but how and why they come to have meaning.

Artists Nathalie Djurberg and Hans Berg, Olafur Eliasson, Hiwa K, and Susan Philipsz demonstrate the diversity of practice and sensibilities in Berlin, expose its history of war and migration, and convey hopes to foster a better tomorrow.

A group of acclaimed contemporary artists use history, science and politics as the raw material to create their potent works. Drawing on the tools of historians and scientists, these artist-investigators take deep dives into difficult subjects like the on-going exclusion of women and artists of color from major art institutions. Includes the legendary female artist collective Guerrilla Girls.