| Season | Premiere | Episodes | Notable |
|---|---|---|---|
| Season 1 | 2005 | 10 | Wikipedia's episode list starts April 6, 2005; TVSA dates the Canadian premiere November 24, 2004 |
| Season 2 | 2007 | 7 | — |
| Season 3 | 2008 | 6 | — |
| Season 4 | 2012 | 4 | Overview dates June 30, 2012; Discovery's announcement scheduled the US return for August 19, 2012 — sources and territories differ |
| Season 5 | 2014 | 8 | — |
| Season 6 | 2015 | 7 | Bigfoot-focused season, not the traditional lone-survival format |
| Season 7 | 2015 | 7 | Returned to traditional survival scenarios |
| Season 8 | 2016 | 4 | — |
Sources count regular episodes separately from specials where databases disagree. In-progress seasons show episodes aired as of October 22, 2026.