Stuff That Must Have Happened·YouTube
All episodes
1 season · 13 eps
Season 1
Pitching Mt. Rushmore Episode 2
soonNot yet aired
Last Guy to Wear a Hitler Mustache in America Episode 3
soonNot yet aired
How Ayn Rand and L. Ron Hubbard Came Up With Their Big Ideas Episode 4
soonNot yet aired
The First Marriage Episode 5
soonNot yet aired
The Invention of Homelessness Episode 6
soonNot yet aired
Worst Decision Ever Made in the Harry Potter Universe Episode 7
soonNot yet aired
Why Popes Dress Like That Episode 8
soonNot yet aired
Little Mermaid Cover Approval Episode 9
soonNot yet aired
The Invention of the Most Underrated Modern Technology Episode 10
soonNot yet aired
Organizing the First Hunger Games Episode 11
soonNot yet aired
Why Sarcasm Is Necessary For Civilization Episode 12
soonNot yet aired
Why The First Pet Would Have Been Terrifying Episode 13
soonNot yet aired
13 episodes in Season 1
Some details come from TheTVDB.