Secret History

5 episodes · 1991

8 episodes · 1992

6 episodes · 1994

6 episodes · 1995

Historical events are extensively re-explored both through written records and systematic examinations in the field.

9 episodes · 1997

10 episodes · 1998

10 episodes · 1999

7 episodes · 2000

7 episodes · 2001

8 episodes · 2002

5 episodes · 2003

5 episodes · 2004

6 episodes · 2013

4 episodes · 2014

8 episodes · 2015

9 episodes · 2016

4 episodes · 2017

5 episodes · 2000