Season 4

Season 4 of fern. currently airing in 2026.

1. 

   1. How Cocaine Is Destroying Europe

   2026-01-04 · 37m

2. 

   2. Why Otto Warmbier Didn't Survive North Korea

   2026-01-11 · 37m

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

3. 

   3. The $1 Billion Coca-Cola Machine

   2026-01-20 · 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. 

   4. Did McKinsey Ruin Disneyland?

   2026-01-25 · 30m

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

5. 

   5. How the Secret Service Actually Works

   2026-02-05 · 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. 

   6. The Assassination That Humiliated Hitler

   2026-02-15 · 19m

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

7. 

   7. The Most Mysterious Drug in the World

   2026-02-27 · 36m

   This is dimethyltryptamine, known as DMT – arguably the world's strongest psychedelic drug.

8. 

   8. How Iran’s Leader Was Killed

   2026-03-02 · 14m

   This is how the Israeli and U.S. attacks on Iran unfolded - how the country’s leader was killed, and what has happened since then. By the time this video is published, new details may have emerged.

9. 

   9. The Strange Attack on Flight 103

   2026-03-09 · 28m

   This is the story of the Lockerbie bombing, one of the deadliest and most mysterious plane crashes in history.

10. 

    10. Why everyone hates Lego now

    2026-03-14 · 30m

    LEGO went from being a family favourite to a multi-billion dollar empire – why do so many people suddenly hate it?

11. 

    11. The Bank Heist of the Century

    2026-03-22 · 22m

    A helicopter, a bomb and millions in cash. This is the story of the Västberga heist - one of the most spectacular robberies of all time.

12. 

    12. The Most Dangerous Job in Crime

    2026-03-29 · 22m

    This is the insane, brutal world of Europe's coke runners.

13. 

    13. How Cops Robbed the Dark Web King

    2026-04-05 · 24m

    A hunt for Dread Pirate Roberts, thousands of stolen Bitcoin and a scapegoat that almost took the fall. This is the story of the cops who robbed Silkroad.

14. 

    14. Who Will Rule North Korea Next?

    2026-04-12 · 16m

    This is the story of Kim Ju Ae, the girl who may rule North Korea one day.

15. 

    15. The Tragic Story of the Air India Survivor

    2026-04-19 · 21m

    What really helps you survive the extremely unlikely event of a plane crash.

16. 

    16. Facebook's Most Dangerous Product

    2026-04-26 · 21m

    This is the story of Onavo.

17. 

    17. The World's Deadliest Company

    2026-05-03 · 30m

    This is the story of the world’s deadliest company: CNTC-STMA. A look into a core part of Chinese state economics and at the devastating effects of a state-sponsored public health crisis.

18. 

    18. The CIA's Most Valuable Spy

    2026-05-10 · 31m

    This is Operation Rubicon. One of the biggest intelligence coups of the 20th century.

19. 

    19. The Hunt for America's Weirdest Killer

    2026-05-18 · 41m

    This is the story of the infamous Zodiac killer. A mysterious serial murderer who made himself larger than life – and was never caught.

20. 

    20. The Insane Story of Serbia‘s Human Slaughterhouse

    2026-05-24 · 26m

    This is the story of one of Europe’s most notorious crime networks and their human slaughterhouse; their alleged ties to Serbia's elites; and an ingenious takedown by relentless investigators.

21. 

    21. We Investigated a New Designer Drug

    2026-06-03 · 29m

    These are Nitazenes, a highly potent but largely unknown class of synthetic opioids that are quietly entering the European drug supply.

22. 

    22. The Man Who Went Undercover in Auschwitz

    2026-06-10 · 39m

    This is the story of Witold Pilecki, the man who infiltrated Auschwitz.

23. 

    23. How Israel Kills Journalists

    2026-06-19 · 28m

    The war in the Gaza Strip is considered the deadliest for journalists in the 21st century. Many are killed in strikes on residential buildings, civilian infrastructure, or directly while on assignment. However, there are also allegations that the Israeli military has deliberately targeted some of them. The IDF denies this. This is the story of journalism in Gaza - and the conditions under which it takes place.

24. 

    24. Why Putin Is So Hard to Kill

    2026-06-24 · 15m

    Vladimir Putin has a lot of enemies. So how does he protect himself? In this video, we’ll look at four of the Kremlin’s security measures. They tell a story, one about the Russian state and its increasingly paranoid leader.

25. 

    25. The Kid Who Hacked America

    2026-06-30 · 32m

    This is the story of Kevin Mitnick. Vilified by the media. Hunted by the authorities. Feared as one of the world's most dangerous hackers.

26. 

    26. How a $10,000,000 Poker Game Was (Allegedly) Rigged

    2026-07-08 · 29m

    This is the story of an enormous alleged poker scandal.

27. 

    27. Why Is There (Almost) No McDonald‘s in Africa?

    2026-07-15 · 15m

    McDonald’s conquered the world - but not Africa. Why are the golden M’s so rare across the continent?

28. 

    28. The Truth About fern

    2026-07-22 · 13m

    This is how fern became fern, how we make our videos and what's next.

29. 

    29. Hansa: The Infiltration of the Dark Web

    2026-07-29 · 24m

    This is the story of one of the boldest international police investigations of all time, likely the largest trap in Darknet history. This is Operation Bayonet.