Watch Fringe Season 2 Episode 10 Grey Matters Stream Online. Fringe fans dont worry, the latest ep is here for you to enjoy. The latest episode is the Fringe Season 2 Episode 10 Grey Matters. In this episode, A Fringe investigation is triggered when a patient at a mental institution undergoes an impromptu brain surgery that unexpectedly leaves his brain exposed. Despite the unthinkable circumstances, the patient's condition and sanity miraculously improves before the Fringe team arrives.The Fringe S02E10 Grey Matters will be aired Thursday, December 10, 2009 9:00 PM-10:00 PM EST on FOX. I will certainly watch this one. Watch Fringe Season 2 Episode 10 Grey Matters Stream Online.