vlogbrothers

New Crash Course and Pizzamas! (2014x92)

Ημερομηνία προβολής: Νοέ 07, 2014

In which Hank talks about the last three years of Crash Course and the next year. Thanks to everyone who has made it possible for us to help teachers teach and learners learn. Here's to three more years! And also a bunch more after that!