Episódio 4

Sami Jarroush Self - TV Host, Historian

Hakeem Muata Oluseyi Self - Astrophysicist/Author

Mitch Horowitz Self - Historian

Edward T. O'Donnell Self - Historian

Don Wildman Self - TV Host/Historian

Paul Matt Sutter Self - Physicist/Author

Austin Rogers Self - Jeopardy! Champion