623: Dean Karnazes | The Road to Sparta

624: Nick Bilton | American Kingpin

Fan Mail Friday #118 | What Dat Mean?

Minisode Monday #57 | The Way We Treat the Ones We Meet

625: Chris Hadfield | Rare Earthling

626: Adam Braun | MissionU

Fan Mail Friday #119 | Anger and Dopamine

Norm Pattiz | PodcastOne (Bonus)

Minisode Monday #58 | Chris Hadfield: Boss In Space

627: David Buss | The Evolution of Desire