The first in our nearly-annual Thanksgiving movies, Solaris is a fascinating, and thought-provoking mind trip, in the mold of 2001: A Space Odyssey. 2001 uses the unknowable cosmos as a platform to ask: Who are we on the galactic scale of things? What's the next step in the evolution of Mankind? Solaris uses a mysterious celestial object as the catalyst to ask: Who are we but a sum of our experiences? Do our memories make us who we are?