Season 30 aired between 09 Jan 2018 and 16 Oct 2018, 9 episodes.
Episodes
E01
Into the Amazon
09 Jan 2018
E02
The Secret of Tuxedo Park
16 Jan 2018
E03
The Gilded Age
06 Feb 2018
E04
The Bombing of Wall Street
13 Feb 2018
E05
The Island Murder
17 Apr 2018
E06
The Chinese Exclusion Act
29 May 2018
E07
The Circus (1)
08 Oct 2018
E08
The Circus (2)
09 Oct 2018
E09
The Eugenics Crusade
16 Oct 2018