Season 4 of fern. currently airing in 2026.
Episode 1
How Cocaine Is Destroying Europe
Jan 4, 2026
Episode 2
Why Otto Warmbier Didn't Survive North Korea
Jan 11, 2026
This is the real story of Otto Warmbier and why the version most people remember may not be true.
Episode 3
The $1 Billion Coca-Cola Machine
Jan 20, 2026
This soda fountain isn’t just serving you a drink. It’s quietly collecting your data — and Coke will profit from it tremendously.
Episode 4
Did McKinsey Ruin Disneyland?
Jan 25, 2026
How did the "Happiest Place on Earth" become a dangerous nightmare?
Episode 5
How the Secret Service Actually Works
Feb 5, 2026
Who are the people protecting the President? How do they prepare for the unthinkable, and what happens when everything is on the line?
Episode 6
The Assassination That Humiliated Hitler
Feb 15, 2026
This is the story of how Reinhard Heydrich, the most dangerous Nazi, Hitler’s “man with the iron heart”, was assassinated.
Episode 7
The Most Mysterious Drug in the World
Feb 27, 2026
This is dimethyltryptamine, known as DMT – arguably the world's strongest psychedelic drug.
Episode 8
How Iran’s Leader Was Killed
Mar 2, 2026
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.
Episode 9
The Strange Attack on Flight 103
Mar 9, 2026
This is the story of the Lockerbie bombing, one of the deadliest and most mysterious plane crashes in history.
Episode 10
Why everyone hates Lego now
Mar 14, 2026
LEGO went from being a family favourite to a multi-billion dollar empire – why do so many people suddenly hate it?
Episode 11
The Bank Heist of the Century
Mar 22, 2026
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.
Episode 12
The Most Dangerous Job in Crime
Mar 29, 2026
This is the insane, brutal world of Europe's coke runners.
Episode 13
How Cops Robbed the Dark Web King
Apr 5, 2026
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.
Episode 14
Who Will Rule North Korea Next?
Apr 12, 2026
This is the story of Kim Ju Ae, the girl who may rule North Korea one day.
Episode 15
The Tragic Story of the Air India Survivor
Apr 19, 2026
What really helps you survive the extremely unlikely event of a plane crash.
Episode 16
Facebook's Most Dangerous Product
Apr 26, 2026
This is the story of Onavo.
Episode 17
The World's Deadliest Company
May 3, 2026
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.
Episode 18
The CIA's Most Valuable Spy
May 10, 2026
This is Operation Rubicon. One of the biggest intelligence coups of the 20th century.
Episode 19
The Hunt for America's Weirdest Killer
May 18, 2026
This is the story of the infamous Zodiac killer. A mysterious serial murderer who made himself larger than life – and was never caught.
Episode 20
The Insane Story of Serbia‘s Human Slaughterhouse
May 24, 2026
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.
Episode 21
We Investigated a New Designer Drug
Jun 3, 2026
These are Nitazenes, a highly potent but largely unknown class of synthetic opioids that are quietly entering the European drug supply.
Episode 22
The Man Who Went Undercover in Auschwitz
Jun 10, 2026
This is the story of Witold Pilecki, the man who infiltrated Auschwitz.
Episode 23
How Israel Kills Journalists
Jun 19, 2026
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.
Episode 24
Why Putin Is So Hard to Kill
Jun 24, 2026
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.
Episode 25
The Kid Who Hacked America
Jun 30, 2026
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.
Episode 26
How a $10,000,000 Poker Game Was (Allegedly) Rigged
Jul 8, 2026
This is the story of an enormous alleged poker scandal.
Episode 27
Why Is There (Almost) No McDonald‘s in Africa?
Jul 15, 2026
McDonald’s conquered the world - but not Africa. Why are the golden M’s so rare across the continent?
Episode 28
The Truth About fern
Jul 22, 2026
This is how fern became fern, how we make our videos and what's next.
Episode 29
Hansa: The Infiltration of the Dark Web
Jul 29, 2026
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.
Episode 30
Exposing a $1,900,000,000 Pharma Company
Aug 5, 2026
This is the story of a German pharmaceutical company, a billion-dollar opioid business, and a crisis spanning multiple continents. Is a new opioid crisis looming — one made in Germany?
Episode 31
How China's Biggest Scammer Got Caught
Aug 12, 2026
This is the rise and fall of crypto queen Zhimin Qian. After taking money from more than 120,000 people, she flees China and lives in luxury across Europe - until one small mistake brings everything crashing down.
Episode 32
The Unsolved Murder in Room 1046
Aug 19, 2026
This is the story of Room1046, one of America’s strangest unsolved murders.
Episode 33
The $1 Billion McDonald‘s Box
Aug 26, 2026
This is the story of McDonald’s iconic Styrofoam burger box and how it became one of the most controversial pieces of fast-food packaging ever made.
Episode 34
The Death of Educational Content on YouTube
Sep 2, 2026
Countless AI slop channels are relentlessly copying our work. So one day we decided: enough is enough. We went undercover to investigate who’s behind them and what this flood of AI slop means for the future of educational content on YouTube.
Episode 35
The FBI Agent Who Infiltrated the Mafia
Sep 9, 2026
This is the story about Donnie Brasco, the undercover agent who infiltrated the New York Mafia.
Episode 36
How the World’s Most Dangerous Drug Lord Was Caught
Sep 16, 2026
El Mencho may be the most powerful and ruthless drug lord in the world. His cartel has taken on the Mexican state and built a global criminal empire. How did he become so powerful? Why has no one been able to stop him? And what happens if he is finally caught?
Episode 37
The Most Disgusting Influencer Campaign of 2026
Sep 23, 2026
This is the story of how journalists uncovered a secretive social media campaign designed to lure young Americans to the Polymarket prediction market platform.
Episode 38
China's Secret Plan for London
Oct 2, 2026
This is the story of a controversial construction project in the heart of London. Behind it are growing fears over espionage, repression and the safety of thousands of people.
Episode 39
the entire history of 4chan, i guess
Oct 7, 2026
This is a story about the rise and fall of 4chan, an anonymous image board created by a teenager, and how it became a breeding ground for online culture, memes, and extremism.
Episode 40
The Most Feared Kids on the Internet
Oct 11, 2026
What does it take to hack the CIA, breach the Pentagon, or hijack Elon Musk’s Twitter (X) account and make millions? Apparently, sometimes just a teenager with a computer. These are five of the most unbelievable hacking stories we've covered.
Episode 41
The Stoner Kids Dealing Guns to the Army
Oct 21, 2026
Two stoners from Miami, a $300 million Pentagon contract, and an arms deal that spirals completely out of control. This is the incredible true story of David Packouz and Efraim Diveroli and their rise to become two of America’s most notorious arms dealers.
Episode 42
How Would a War With Russia Unfold?
Oct 28, 2026
What would happen if Russia attacked NATO? Drawing on military wargames, NATO assessments and expert analyses, we play out a hypothetical scenario based on a very real threat: a Russian invasion of the Baltics. How would NATO respond, and why would so much depend on Germany?
Episode 43
How the Internet Uncovered a Massive Pokémon Fraud
Nov 5, 2026
Pokémon cards are big business these days. Some are SO rare they seem too good to be true. Are they? This is the internet’s biggest Pokémon detective story.