Watch First In Human: The Trials of Building 10 for free at CouchTuner. First In Human: The Trials of Building 10 explores the lives of the doctors, researchers, and patients who together make progress possible in this cutting-edge testing ground. The docuseries represents the first time cameras have embedded in Building 10 and followed first in human patients throughout their entire trial. The Big Bang Theory’s Jim Parsons will narrate this ground breaking new documentary series.