S04E06: Siblings
Katharine Wright helps her brothers build an airplane; the Kopp sisters fight to protect their home; the Fox sisters stoke the spiritualism craze.
Previous Episode 
Season 1
Washington D.C.
S1E1 / 09 Jul 2013
Chicago
S1E2 / 16 Jul 2013
Atlanta
S1E3 / 23 Jul 2013
Boston
S1E4 / 30 Jul 2013
San Francisco
S1E5 / 06 Aug 2013
Detroit
S1E6 / 13 Aug 2013
Nashville
S1E7 / 20 Aug 2013
The Wild West
S1E8 / 27 Aug 2013
Season 2
Montgomery, AL
S2E1 / 01 Jul 2014
New York City
S2E2 / 08 Jul 2014
American Music
S2E3 / 15 Jul 2014
Baltimore
S2E4 / 22 Jul 2014
Charleston
S2E5 / 29 Jul 2014
Hollywood
S2E6 / 05 Aug 2014
Hawaii
S2E7 / 12 Aug 2014
Philadelphia
S2E8 / 19 Aug 2014
Sports Heroes
S2E9 / 26 Aug 2014
First Ladies
S2E10 / 02 Sep 2014
Season 3
New Jersey
S3E1 / 01 Sep 2015
Miami
S3E2 / 08 Sep 2015
New Orleans
S3E3 / 15 Sep 2015
Spies
S3E4 / 22 Sep 2015
Cleveland
S3E5 / 29 Sep 2015
Games
S3E6 / 06 Oct 2015
Oklahoma
S3E7 / 13 Oct 2015
Journalism
S3E8 / 20 Oct 2015
Los Angeles
S3E9 / 27 Oct 2015
New Mexico
S3E10 / 03 Nov 2015
Inventors
S3E11 / 10 Nov 2015
Las Vegas
S3E12 / 17 Nov 2015
Space
S3E13 / 24 Nov 2015
Season 4
Great Escapes
S4E1 / 27 Sep 2016
Legends
S4E2 / 04 Oct 2016
Bar Fights
S4E3 / 11 Oct 2016
The Roosevelts
S4E4 / 18 Oct 2016
Scoundrels
S4E5 / 25 Oct 2016
Siblings
S4E6 / 01 Nov 2016
Landmarks
S4E7 / 15 Nov 2016
Food
S4E8 / 22 Nov 2016Hamilton
S4E9 / 29 Nov 2016
Shitshows
S4E10 / 06 Dec 2016
Season 5
Heroines
S5E1 / 23 Jan 2018
Dangerous Minds
S5E2 / 30 Jan 2018
Game Changers
S5E3 / 06 Feb 2018
Sex
S5E4 / 13 Feb 2018
Civil Rights
S5E5 / 20 Feb 2018
Underdogs
S5E6 / 27 Feb 2018
Drunk Mystery
S5E7 / 06 Mar 2018
World War II
S5E8 / 19 Jun 2018
Heists
S5E9 / 26 Jun 2018
Animals
S5E10 / 03 Jul 2018
The Middle Ages
S5E11 / 10 Jul 2018
Death
S5E12 / 17 Jul 2018
Halloween
S5E13 / 24 Jul 2018
Season 6
Are You Afraid of the Drunk?
S6E1 / 15 Jan 2019
National Parks
S6E2 / 22 Jan 2019
Baseball
S6E3 / 29 Jan 2019
Trailblazers
S6E4 / 05 Feb 2019
Love
S6E5 / 12 Feb 2019
Drugs
S6E6 / 19 Feb 2019
Femme Fatales
S6E7 / 26 Feb 2019
Drunk Mystery II
S6E8 / 05 Mar 2019
Believe It Or Not
S6E9 / 12 Mar 2019
Legacies
S6E10 / 25 Jun 2019
Fame
S6E11 / 02 Jul 2019
Good Samaritans
S6E12 / 09 Jul 2019
Whistleblowers
S6E13 / 16 Jul 2019
Behind Enemy Lines
S6E14 / 23 Jul 2019
S.O.S.
S6E15 / 30 Jul 2019
Bad Blood
S6E16 / 06 Aug 2019
