vlogbrothers
Brotherhood 2.0: January 10, 2007 (2007x7)
Ausstrahlung: Jan 10, 2007
In which John calculates his carbon footprint and talks math with Daniel Biss.
Song: "Union Maid," by Old Crow Medicine Show
- Premiere: Jan 2007
- Episoden: 2254
- Anhänger: 1