History of Superstitions - Season 1 Episode 20
In honor of Friday the 13th, Chris goes over the history of some famous superstitions while Leah and Gavin continue to knock on wood and throw salt over their shoulder. (Hint: Don’t break any mirrors or walk under any ladders.)
Sources
https://www.insider.com/history-origin-people-superstitions-2018-4
https://www.cracked.com/article_20594_5-shockingly-violent-back-stories-everyday-traditions.html
https://www.rd.com/list/bizarre-origins-of-everyday-superstitions/
https://www.cracked.com/pictofacts-2005-19-origins-everyday-traditions-explained/