S1E104 - Neil deGrasse Tyson on Superheroes, Time Travel, Aliens, Bad Movie Science and growing up in the geekosphere.

What superhero would Neil deGrasse Tyson be? Where would he go if he could travel through time? And how much bad science will he forgive if a movie tells a great story? And how he grew up an athlete who lived in the geekosphere.

In this special bonus mini-episode of UNOBTAINIUM, planetary scientist Dr. Amy Mainzer and producer Adam Sigel revisit their conversation with Neil deGrasse Tyson for a wide-ranging trip through science, science fiction and geek culture.

Neil reveals why he once imagined himself as “Protector of the Geeks,” explains why the M...