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1985–2016TV-PG26 seasonsEnded
US availability from JustWatch
National Geographic's Explorer gives viewers special access to the issues of the day.
US availability from JustWatch
Season 1
28 episodes · 2003
Season 2
18 episodes · 2005
Season 3
16 episodes · 2006
Season 4
18 episodes · 2007
Season 5
17 episodes · 2008
Season 6
25 episodes · 2009
Season 8
2 episodes · 2011
Season 12
1 episode
Season 20
1 episode
Season 22
2 episodes
Season 23
1 episode
Season 24
1 episode
Show details from TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.
