fern.

Season 4 of fern. currently airing in 2026.

1. 

   E1. How Cocaine Is Destroying Europe

   Jan 4, 2026 · 37m

2. 

   E2. Why Otto Warmbier Didn't Survive North Korea

   Jan 11, 2026 · 37m

   This is the real story of Otto Warmbier and why the version most people remember may not be true.

3. 

   E3. The $1 Billion Coca-Cola Machine

   Jan 20, 2026 · 16m

   This soda fountain isn’t just serving you a drink. It’s quietly collecting your data — and Coke will profit from it tremendously.

4. 

   E4. Did McKinsey Ruin Disneyland?

   Jan 25, 2026 · 30m

   How did the "Happiest Place on Earth" become a dangerous nightmare?

5. 

   E5. How the Secret Service Actually Works

   Feb 5, 2026 · 27m

   Who are the people protecting the President? How do they prepare for the unthinkable, and what happens when everything is on the line?

6. 

   E6. The Assassination That Humiliated Hitler

   Feb 15, 2026 · 19m

   This is the story of how Reinhard Heydrich, the most dangerous Nazi, Hitler’s “man with the iron heart”, was assassinated.

+10 more episodes — open all seasons to browse every episode.