1 - 1Deepwater Horizon and NASA Challenger Jan. 15, 2020- 1 - 2Chernobyl and Bhopal Jan. 22, 2020
- 1 - 3Titanic and Hindenburg Jan. 29, 2020
- 1 - 4Aberfan and Corrego Do Feijao Feb. 05, 2020
- 1 - 5MS Herald and Costa Concordia Feb. 12, 2020
- 1 - 6Kegworth and Concorde Feb. 19, 2020
- 1 - 7Tacoma Narrows and Hurricane Katrina Feb. 26, 2020
- 1 - 8Rana Plaza and Morandi Bridge Mar. 04, 2020
- 1 - 9Tianjin and Evangelos Florakis Mar. 11, 2020
- 1 - 10Clapham Junction and Ankara Train Crash Mar. 18, 2020