John Green teaches you the history of the world.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | May 2012 | March 2015 | 6 |
| Season 1 | January 2012 | November 2012 | 42 |
| Season 2 | July 2014 | April 2015 | 30 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Unassigned Episodes | 78 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 78 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Mark Olsen | 1 | 08/28/2014 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Raoul Meyer | 1 | 08/28/2014 |
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