Naturalist Steve Backshall and double Olympic gold medallist Helen Glover go on an exhilarating adventure, travelling a thousand kilometres through Japan's northern highlands.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | January 2017 | February 2017 | 2 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Unassigned Episodes | 2 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 2 |
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