Apparently this film is a couple years old, but I just stumbled across a segment of it while doing a lit search (of course). From the web site for Examined Life:
Philosophers have long done their best thinking when directly engaging with the outside world, not in isolation from it. Socrates roved the Athenian agora, courting trouble with the authorities. Rousseau immortalized his rambles through nature on the printed page. Nietzsche once said that only ideas conceived while walking have any value.
In Examined Life, filmmaker Astra Taylor accompanies some of today’s most influential thinkers on a series of unique excursions through places and spaces that hold particular resonance for them and their ideas.
The “thinkers” include Kwame Anthony Appiah, Judith Butler, Michael Hardt, Martha Nussbaum, Avitel Ronell, Peter Singer, Sunaura Taylor, Cornel West and Slavoj Zizek. Here’s Martha Nussbaum situating and describing her capabilities approach: