Season
- Season 0 1991-08-17
- Season 1 1982-09-29
- Season 2 1983-01-26
- Season 3 1984-01-03
- Season 4 1985-01-09
- Season 5 1986-01-01
- Season 6 1987-01-15
- Season 7 1988-01-06
- Season 8 1989-01-11
- Season 9 1990-01-17
- Season 10 1991-01-23
- Season 11 1992-01-15
- Season 12 1993-01-13
- Season 13 1994-01-12
- Season 14 1995-01-11
- Season 15 1996-01-14
- Season 16 1997-02-25
- Season 17 1998-04-07
- Season 18 1999-04-17
- Season 19 2000-01-08
- Season 20 2001-01-12
- Season 21 2002-01-04
- Season 22 2003-01-10
- Season 23 2004-01-09
- Season 24 2005-01-29
- Season 25 2006-01-20
- Season 26 2007-01-05
- Season 27 2008-01-05
- Season 28 2009-02-21
- Season 29 2010-06-02
- Season 30 2011-10-25
Season 30 Episode
- Season 16 Episode 1
- Season 16 Episode 2
- Season 16 Episode 3
- Season 16 Episode 4
- Season 16 Episode 5
- Season 16 Episode 6
- Season 16 Episode 7
- Season 16 Episode 8
- Season 16 Episode 9
- Season 16 Episode 10
- Season 16 Episode 11
- Season 16 Episode 12
- Season 16 Episode 13
- Season 16 Episode 14
- Season 16 Episode 15
Timewatch - Season 16 Episode 2 Before Columbus
6.90 60 minutes Christopher Columbus is popularly believed to have been, in 1492, the first European to discover America. However, some historians are convinced the New World was known before he set sail. Examines their claims and looks into the belief that the Mandan Indians of North Dakota are partly descended from a 12th-century Welsh prince.
