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Scientists visit the remote surface and undersea locations to study various species of whales in their natural habitat.
Narrator
2000-04-14
1964-05-29
1888-10-14
2003-07-24
2006-07-29
2014-03-21
2008-03-12
1994-01-17
1999-03-01
1894-03-14
1893-05-08
2006-01-27
2001-03-01
2002-04-17
2003-02-14
2006-03-03
1999-10-27
1991-01-19
1995-02-01
1992-02-01