SciShow

Quiz Show: Vlogbrothers Face-Off: Hank v. John! (2014x143)

Yayınlanma tarihi: Eyl 18, 2014

Welcome back to SciShow Quiz Show! In this episode Hank will be competing with older brother John Green in a battle of science related trivia on behalf of Subbable subscribers Anna Dilley & Andrew Villarreal.