Scientists visit the remote surface and undersea locations to study various species of whales in their natural habitat.
Narrator
1990-01-01
2002-05-25
2003-07-24
2006-07-29
1894-03-14
1972-01-01
2004-12-03
2008-03-12
1994-01-17
1997-10-17
2002-09-18
1999-03-01
2003-02-14
2006-03-03
1999-10-27
1991-01-19
1995-02-01
1992-02-01
2004-12-02
1991-10-18