The Trouble With Trilobites
Episode: 2017-06-26 | Airdate: Jun 26, 2017
Season 2017
When Did the First Flower Bloom?
Episode: 2017-07-03 | Airdate: Jul 3, 2017
The Tully Monster & Other Problematic Creatures
Episode: 2017-07-11 | Airdate: Jul 11, 2017
Stegosaurs: Tiny Brains & Thagomizers
Episode: 2017-07-17 | Airdate: Jul 17, 2017
What Colors Were Dinosaurs?
Episode: 2017-07-24 | Airdate: Jul 24, 2017
The Story of Saberteeth
Episode: 2017-07-31 | Airdate: Jul 31, 2017
That Time Oxygen Almost Killed Everything
Episode: 2017-08-07 | Airdate: Aug 7, 2017
The Biggest Thing That Ever Flew
Episode: 2017-08-14 | Airdate: Aug 14, 2017
Dimetrodon: Our Most Unlikely Ancestor
Episode: 2017-08-21 | Airdate: Aug 21, 2017
The Extinction That Never Happened
Episode: 2017-08-28 | Airdate: Aug 28, 2017
The Strange Case of the Buzzsaw Jaws
Episode: 2017-09-11 | Airdate: Sep 11, 2017
The Age of Giant Insects
Episode: 2017-09-18 | Airdate: Sep 18, 2017
History's Most Powerful Plants
Episode: 2017-09-26 | Airdate: Sep 26, 2017
How Did Dinosaurs Get So Huge?
Episode: 2017-10-02 | Airdate: Oct 2, 2017
When The Earth Was Purple
Episode: 2017-10-09 | Airdate: Oct 9, 2017
'Living Fossils' Aren't Really a Thing
Episode: 2017-10-16 | Airdate: Oct 16, 2017
When Whales Walked
Episode: 2017-10-23 | Airdate: Oct 23, 2017
An Illustrated History of Dinosaurs
Episode: 2017-10-30 | Airdate: Oct 30, 2017
A Brief History of Geologic Time
Episode: 2017-11-06 | Airdate: Nov 6, 2017
The Search for the Earliest Life
Episode: 2017-11-20 | Airdate: Nov 20, 2017
The Facts About Dinosaurs & Feathers
Episode: 2017-11-27 | Airdate: Nov 27, 2017
The Last Time the Globe Warmed
Episode: 2017-12-04 | Airdate: Dec 4, 2017
What Happened to the World's Greatest Ape?
Episode: 2017-12-11 | Airdate: Dec 11, 2017
When Giant Fungi Ruled
Episode: 2017-12-18 | Airdate: Dec 18, 2017
Season 2018
How Two Microbes Changed History
Episode: 2018-01-15 | Airdate: Jan 15, 2018
The Time Terror Birds Invaded
Episode: 2018-01-22 | Airdate: Jan 22, 2018
Untangling the Devil's Corkscrew
Episode: 2018-01-29 | Airdate: Jan 29, 2018
The Great Snake Debate
Episode: 2018-02-05 | Airdate: Feb 5, 2018
The Whole Saga of the Supercontinents
Episode: 2018-02-12 | Airdate: Feb 12, 2018
From the Cambrian Explosion to the Great Dying
Episode: 2018-02-20 | Airdate: Feb 20, 2018
How Sex Became a Thing
Episode: 2018-02-26 | Airdate: Feb 26, 2018
The Other Explosion You Should Know About
Episode: 2018-03-05 | Airdate: Mar 5, 2018
How the Turtle Got Its Shell
Episode: 2018-03-12 | Airdate: Mar 12, 2018
What a Dinosaur Looks Like Under a Microscope
Episode: 2018-03-19 | Airdate: Mar 19, 2018
The Most Useful Fossils in the World
Episode: 2018-03-26 | Airdate: Mar 26, 2018
Inside the Dinosaur Library
Episode: 2018-04-02 | Airdate: Apr 2, 2018
What Was the Ancestor of Everything?
Episode: 2018-04-11 | Airdate: Apr 11, 2018
How the Squid Lost Its Shell
Episode: 2018-04-17 | Airdate: Apr 17, 2018
How the Chalicothere Split In Two
Episode: 2018-04-24 | Airdate: Apr 24, 2018
The Age of Reptiles in Three Acts
Episode: 2018-05-02 | Airdate: May 2, 2018
The Weird, Watery Tale of Spinosaurus
Episode: 2018-05-08 | Airdate: May 8, 2018
From the Fall of Dinos to the Rise of Humans
Episode: 2018-05-16 | Airdate: May 16, 2018
That Time It Rained for Two Million Years
Episode: 2018-05-22 | Airdate: May 22, 2018
Why Triassic Animals Were Just the Weirdest
Episode: 2018-06-05 | Airdate: Jun 5, 2018
Where Did Viruses Come From?
Episode: 2018-06-12 | Airdate: Jun 12, 2018
When Fish First Breathed Air
Episode: 2018-06-19 | Airdate: Jun 19, 2018
How the T-Rex Lost Its Arms
Episode: 2018-06-26 | Airdate: Jun 26, 2018
FAQs From Our First Year
Episode: 2018-07-03 | Airdate: Jul 3, 2018
When Insects First Flew
Episode: 2018-07-10 | Airdate: Jul 10, 2018
The Mystery of the Eocene's Lethal Lake
Episode: 2018-07-17 | Airdate: Jul 17, 2018
When Fish Wore Armor
Episode: 2018-07-24 | Airdate: Jul 24, 2018
When Birds Had Teeth
Episode: 2018-08-07 | Airdate: Aug 7, 2018
How Horses Took Over North America (Twice)
Episode: 2018-08-14 | Airdate: Aug 14, 2018
How a Supervolcano Made the Cenozoic's Coolest Fossils
Episode: 2018-08-22 | Airdate: Aug 22, 2018
The Rise and Fall of the Bone-Crushing Dogs
Episode: 2018-08-28 | Airdate: Aug 28, 2018
Life, Sex & Death Among the Dire Wolves
Episode: 2018-09-06 | Airdate: Sep 6, 2018
When We First Walked
Episode: 2018-09-11 | Airdate: Sep 11, 2018
Did Raptorex Really Exist?
Episode: 2018-09-18 | Airdate: Sep 18, 2018
Can We Get DNA From Fossils?
Episode: 2018-10-02 | Airdate: Oct 2, 2018
When Giant Amphibians Reigned
Episode: 2018-10-09 | Airdate: Oct 9, 2018
Your Place in the Primate Family Tree
Episode: 2018-10-16 | Airdate: Oct 16, 2018
The Two People We're All Related To
Episode: 2018-10-23 | Airdate: Oct 23, 2018
When Rodents Rafted Across the Ocean
Episode: 2018-11-06 | Airdate: Nov 6, 2018
When Birds Stopped Flying
Episode: 2018-11-14 | Airdate: Nov 14, 2018
When Camels Roamed North America
Episode: 2018-11-20 | Airdate: Nov 20, 2018
How Sloths Went From the Seas to the Trees
Episode: 2018-11-28 | Airdate: Nov 28, 2018
When Sharks Swam the Great Plains
Episode: 2018-12-04 | Airdate: Dec 4, 2018
When Apes Conquered Europe
Episode: 2018-12-11 | Airdate: Dec 11, 2018
Why Megalodon (Definitely) Went Extinct
Episode: 2018-12-19 | Airdate: Dec 19, 2018
Season 2019
When Humans Were Prey
Episode: 2019-01-08 | Airdate: Jan 8, 2019
How Blood Evolved (Many Times)
Episode: 2019-01-15 | Airdate: Jan 15, 2019
The Humans That Lived Before Us
Episode: 2019-01-29 | Airdate: Jan 29, 2019
The Island of Shrinking Mammoths
Episode: 2019-02-05 | Airdate: Feb 5, 2019
The Evolution of the Heart (A Love Story)
Episode: 2019-02-13 | Airdate: Feb 13, 2019
How 7,000 Years of Epic Floods Changed the World
Episode: 2019-02-27 | Airdate: Feb 27, 2019
The Island of Huge Hamsters and Giant Owls
Episode: 2019-03-05 | Airdate: Mar 5, 2019
The Giant Bird That Got Lost in Time
Episode: 2019-03-12 | Airdate: Mar 12, 2019
When We First Made Tools
Episode: 2019-03-26 | Airdate: Mar 26, 2019
When Giant Scorpions Swarmed the Seas
Episode: 2019-04-02 | Airdate: Apr 2, 2019
When We Tamed Fire
Episode: 2019-04-09 | Airdate: Apr 9, 2019
The Mystery Behind the Biggest Bears of All Time
Episode: 2019-04-23 | Airdate: Apr 23, 2019
The Croc That Ran on Hooves
Episode: 2019-05-01 | Airdate: May 1, 2019
When We Took Over the World
Episode: 2019-05-07 | Airdate: May 7, 2019
The Ghostly Origins of the Big Cats
Episode: 2019-05-16 | Airdate: May 16, 2019
The History of Climate Cycles (and the Woolly Rhino) Explained
Episode: 2019-05-30 | Airdate: May 30, 2019
The Hellacious Lives of the "Hell Pigs"
Episode: 2019-06-05 | Airdate: Jun 5, 2019
How Evolution Works (And How We Figured It Out)
Episode: 2019-06-11 | Airdate: Jun 11, 2019
When the Synapsids Struck Back
Episode: 2019-06-19 | Airdate: Jun 19, 2019
When Ichthyosaurs Led a Revolution in the Seas
Episode: 2019-06-25 | Airdate: Jun 25, 2019
When We Met Other Human Species
Episode: 2019-07-09 | Airdate: Jul 9, 2019
How Volcanoes Froze the Earth (Twice)
Episode: 2019-07-17 | Airdate: Jul 17, 2019
How Earth's First, Unkillable Animals Saved the World
Episode: 2019-07-30 | Airdate: Jul 30, 2019
When Giant Deer Roamed Eurasia
Episode: 2019-08-07 | Airdate: Aug 7, 2019
Was This Dinosaur a Cannibal?
Episode: 2019-08-14 | Airdate: Aug 14, 2019
The Missing Link That Wasn't
Episode: 2019-08-21 | Airdate: Aug 21, 2019
The Raptor That Made Us Rethink Dinosaurs
Episode: 2019-08-28 | Airdate: Aug 28, 2019
When Bats Took Flight
Episode: 2019-09-11 | Airdate: Sep 11, 2019
How Pterosaurs Got Their Wings
Episode: 2019-09-18 | Airdate: Sep 18, 2019
When Giant Lemurs Ruled Madagascar
Episode: 2019-09-25 | Airdate: Sep 25, 2019
When Antarctica Was Green
Episode: 2019-10-03 | Airdate: Oct 3, 2019
The (Ovi)Raptor That Paleontologists Got Wrong
Episode: 2019-10-16 | Airdate: Oct 16, 2019
When Hobbits Were Real
Episode: 2019-10-22 | Airdate: Oct 22, 2019
Were These Monsters Inspired by Fossils?
Episode: 2019-10-29 | Airdate: Oct 29, 2019
How We Domesticated Cats (Twice)
Episode: 2019-11-06 | Airdate: Nov 6, 2019
When Giant Hypercarnivores Prowled Africa
Episode: 2019-11-19 | Airdate: Nov 19, 2019
Why Male Mammoths Lost the Game
Episode: 2019-11-26 | Airdate: Nov 26, 2019
The Forgotten Story of the Beardogs
Episode: 2019-12-12 | Airdate: Dec 12, 2019
The Fuzzy Origins of the Giant Panda
Episode: 2019-12-17 | Airdate: Dec 17, 2019
Season 2020
That Time the Mediterranean Sea Disappeared
Episode: 2020-01-09 | Airdate: Jan 9, 2020
The Neanderthals That Taught Us About Humanity
Episode: 2020-01-16 | Airdate: Jan 16, 2020
The Giant Dinosaur That Was Missing a Body
Episode: 2020-01-28 | Airdate: Jan 28, 2020
How South America Made the Marsupials
Episode: 2020-02-04 | Airdate: Feb 4, 2020
A Short Tale About Diplodocus' Long Neck
Episode: 2020-02-11 | Airdate: Feb 11, 2020
When the Rainforests Collapsed
Episode: 2020-02-19 | Airdate: Feb 19, 2020
How a Hot Planet Created the World's Biggest Snake
Episode: 2020-02-27 | Airdate: Feb 27, 2020
When the Sahara Was Green
Episode: 2020-03-10 | Airdate: Mar 10, 2020
When Penguins Went From The Sky To The Sea
Episode: 2020-03-18 | Airdate: Mar 18, 2020
How the Egg Came First
Episode: 2020-03-25 | Airdate: Mar 25, 2020
How Dogs (Eventually) Became Our Best Friends
Episode: 2020-03-31 | Airdate: Mar 31, 2020
When a Billion Years Disappeared
Episode: 2020-04-15 | Airdate: Apr 15, 2020
The Risky Paleo Diets of Our Ancestors
Episode: 2020-04-22 | Airdate: Apr 22, 2020
How the Andes Mountains Might Have Killed a Bunch of Whales
Episode: 2020-04-29 | Airdate: Apr 29, 2020
How Plants Caused the First Mass Extinction
Episode: 2020-05-12 | Airdate: May 12, 2020
The Two Viruses That We've Had For Millions of Years
Episode: 2020-05-20 | Airdate: May 20, 2020
How We Identified One of Earth's Earliest Animals
Episode: 2020-05-28 | Airdate: May 28, 2020
When Dinosaur Look-Alikes Ruled the Earth
Episode: 2020-06-09 | Airdate: Jun 9, 2020
The World Before Plate Tectonics
Episode: 2020-06-16 | Airdate: Jun 16, 2020
When Dinosaurs Chilled in the Arctic
Episode: 2020-06-24 | Airdate: Jun 24, 2020
How the Walrus Got Its Tusks
Episode: 2020-07-07 | Airdate: Jul 7, 2020
The Story of the Dino Stampede
Episode: 2020-07-16 | Airdate: Jul 16, 2020
The Biggest Frog that Ever Lived
Episode: 2020-07-23 | Airdate: Jul 23, 2020
The Dinosaur Who Was Buried at Sea
Episode: 2020-08-05 | Airdate: Aug 5, 2020
How We Figured Out Fermentation
Episode: 2020-08-13 | Airdate: Aug 13, 2020
The Oddest Couple in the Fossil Record
Episode: 2020-08-20 | Airdate: Aug 20, 2020
How Ancient Art Captured Australian Megafauna
Episode: 2020-09-02 | Airdate: Sep 2, 2020
The Sea Monster from the Andes
Episode: 2020-09-10 | Airdate: Sep 10, 2020
When Rodents Had Horns
Episode: 2020-09-15 | Airdate: Sep 15, 2020
The First and Last North American Primates
Episode: 2020-09-30 | Airdate: Sep 30, 2020
How Plants Became Carnivores
Episode: 2020-10-07 | Airdate: Oct 7, 2020
How Ankylosaurs Got Their Clubs
Episode: 2020-10-13 | Airdate: Oct 13, 2020
Why Do Things Keep Evolving Into Crabs?
Episode: 2020-10-28 | Airdate: Oct 28, 2020
How Plankton Created A Bizarre Giant of the Seas
Episode: 2020-11-10 | Airdate: Nov 10, 2020
The Rise and Fall of the Tallest Mammal to Walk the Earth
Episode: 2020-11-19 | Airdate: Nov 19, 2020
How Humans Lost Their Fur
Episode: 2020-12-02 | Airdate: Dec 2, 2020
When Lizards Took Over the World
Episode: 2020-12-09 | Airdate: Dec 9, 2020
When the Earth Suddenly Stopped Warming
Episode: 2020-12-17 | Airdate: Dec 17, 2020
The Triassic Reptile With "Two Faces"
Episode: 2020-12-22 | Airdate: Dec 22, 2020
Season 2021
What Happened to the World's Biggest Beaver?
Episode: 2021-01-13 | Airdate: Jan 13, 2021
The Reign of the Hell Ants
Episode: 2021-01-21 | Airdate: Jan 21, 2021
The Pandemic That Lasted 15 Million Years
Episode: 2021-01-28 | Airdate: Jan 28, 2021
When We First Talked
Episode: 2021-02-11 | Airdate: Feb 11, 2021
The Return of Giant Skin-Shell Sea Turtles
Episode: 2021-02-17 | Airdate: Feb 17, 2021
The Genes We Lost Along the Way
Episode: 2021-02-24 | Airdate: Feb 24, 2021
Our Bizarre, Possibly Venomous, Relative
Episode: 2021-03-10 | Airdate: Mar 10, 2021
How Worm Holes Ended Wormworld
Episode: 2021-03-18 | Airdate: Mar 18, 2021
How Humans Became (Mostly) Right-Handed
Episode: 2021-03-24 | Airdate: Mar 24, 2021
How Chilis Got Spicy (and Why We Love the Burn)
Episode: 2021-04-07 | Airdate: Apr 7, 2021
How To Survive the Little Ice Age
Episode: 2021-04-20 | Airdate: Apr 20, 2021
When Crocs Thrived in the Seas
Episode: 2021-04-29 | Airdate: Apr 29, 2021
When Trees Took Over the World
Episode: 2021-05-12 | Airdate: May 12, 2021
How Weasels Got Skinny
Episode: 2021-05-20 | Airdate: May 20, 2021
Where Are All The Squid Fossils?
Episode: 2021-06-03 | Airdate: Jun 3, 2021
Did These Giant Sloths Poop Themselves to Death?
Episode: 2021-07-14 | Airdate: Jul 14, 2021
The Traits That Spawned the Age of Mammals
Episode: 2021-07-21 | Airdate: Jul 21, 2021
The Island of the Last Surviving Mammoths
Episode: 2021-07-29 | Airdate: Jul 29, 2021
Where Are All the Medium-Sized Dinosaurs?
Episode: 2021-08-12 | Airdate: Aug 12, 2021
How the Starfish Got Its Arms
Episode: 2021-08-24 | Airdate: Aug 24, 2021
The Creature That Stumped Darwin
Episode: 2021-09-01 | Airdate: Sep 1, 2021
How Pollination Got Going Twice
Episode: 2021-09-16 | Airdate: Sep 16, 2021
How a Supervolcano Ignited an Evolutionary Debate
Episode: 2021-09-23 | Airdate: Sep 23, 2021
How a Mass Extinction Event Created the Amazon
Episode: 2021-09-29 | Airdate: Sep 29, 2021
When Mammals Only Went Out At Night
Episode: 2021-10-07 | Airdate: Oct 7, 2021
How Ancient Whales May Have Changed the Deep Ocean
Episode: 2021-10-21 | Airdate: Oct 21, 2021
How Dinosaurs Coupled Up
Episode: 2021-10-28 | Airdate: Oct 28, 2021
When It Was Too Hot for Leaves
Episode: 2021-11-17 | Airdate: Nov 17, 2021
Why The Paleo Diet Couldn't Save The Neanderthals
Episode: 2021-12-02 | Airdate: Dec 2, 2021
The Fossil Record In Your Mouth
Episode: 2021-12-09 | Airdate: Dec 9, 2021
When Pterosaurs Walked
Episode: 2021-12-16 | Airdate: Dec 16, 2021
Season 2022
How Our Deadliest Parasite Turned to the Dark Side
Episode: 2022-01-11 | Airdate: Jan 11, 2022
Primates vs Snakes (An Evolutionary Arms Race)
Episode: 2022-01-19 | Airdate: Jan 19, 2022
How the Rise of Social Insects Shrunk These Dinosaurs
Episode: 2022-01-27 | Airdate: Jan 27, 2022
How Vertebrates Got Teeth... And Lost Them Again
Episode: 2022-02-08 | Airdate: Feb 8, 2022
How Horses Went From Food To Friends
Episode: 2022-02-16 | Airdate: Feb 16, 2022
Why We Only Have Ten Toes (It's a Long Story)
Episode: 2022-02-23 | Airdate: Feb 23, 2022
When a Giant Pterosaur Ruled the European Islands
Episode: 2022-03-15 | Airdate: Mar 15, 2022
The Sudden Rise of the First Colossal Animal
Episode: 2022-03-22 | Airdate: Mar 22, 2022
The Extreme Hyenas That Didn't Last
Episode: 2022-03-29 | Airdate: Mar 29, 2022
How the Smallest Animal Got So Simple
Episode: 2022-04-13 | Airdate: Apr 13, 2022
Why Sour May Be The Oldest Taste
Episode: 2022-04-20 | Airdate: Apr 20, 2022
The Ancient Human Species With A Missing Body
Episode: 2022-04-27 | Airdate: Apr 27, 2022
When Ants Domesticated Fungi
Episode: 2022-05-10 | Airdate: May 10, 2022
The Curious Case of the Cave Lion
Episode: 2022-05-17 | Airdate: May 17, 2022
Is This The Oldest Dad In The Fossil Record?
Episode: 2022-05-26 | Airdate: May 26, 2022
How To Build A Woolly Mammoth (But Should We?)
Episode: 2022-06-08 | Airdate: Jun 8, 2022
Something Has Been Making This Mark For 500 Million Years
Episode: 2022-06-15 | Airdate: Jun 15, 2022
Giant Viruses Blur The Line Between Alive and Not
Episode: 2022-06-29 | Airdate: Jun 29, 2022
When Giant Millipedes Reigned
Episode: 2022-07-13 | Airdate: Jul 13, 2022
How Plate Tectonics Transformed Los Angeles
Episode: 2022-07-21 | Airdate: Jul 21, 2022
Why Does Caffeine Exist?
Episode: 2022-07-28 | Airdate: Jul 28, 2022
Did An Ancient Pathogen Reshape Our Cells?
Episode: 2022-08-11 | Airdate: Aug 11, 2022
How Whale Evolution Kind Of Sucked
Episode: 2022-08-18 | Airdate: Aug 18, 2022
The Fungi That Turned Ants Into Zombies
Episode: 2022-08-23 | Airdate: Aug 23, 2022
Where Did Water Come From?
Episode: 2022-09-27 | Airdate: Sep 27, 2022
Our Ancient Relative That Said 'No Thanks' To Life On Land
Episode: 2022-10-04 | Airdate: Oct 4, 2022
Darwin Missed An Example of Evolution Right Under His Nose
Episode: 2022-10-18 | Airdate: Oct 18, 2022
Are We All Actually Archaea?
Episode: 2022-10-25 | Airdate: Oct 25, 2022
How Plate Tectonics Gave Us Seahorses
Episode: 2022-11-08 | Airdate: Nov 8, 2022
We Met Neandertals Way Earlier Than We Thought
Episode: 2022-11-16 | Airdate: Nov 16, 2022
Thylacoleo Is The Missing Australian Apex Predator
Episode: 2022-12-06 | Airdate: Dec 6, 2022
How Did Lucy Live and Die?
Episode: 2022-12-14 | Airdate: Dec 14, 2022
Season 2023
These Creatures Were Darwin's Greatest Enemy
Episode: 2023-01-10 | Airdate: Jan 10, 2023
When Ancient People Changed Their Own DNA
Episode: 2023-01-19 | Airdate: Jan 19, 2023
The Neandertal Burial That Taught Us About Humanity
Episode: 2023-01-31 | Airdate: Jan 31, 2023
These Fossils Were Supposed To Be Impossible
Episode: 2023-02-07 | Airdate: Feb 7, 2023
The Mystery Of The Mashed-Up Dinosaurs
Episode: 2023-02-14 | Airdate: Feb 14, 2023
How a Mass Extinction Changed Our Brains
Episode: 2023-03-01 | Airdate: Mar 1, 2023
That Time the American West Blew Up
Episode: 2023-03-07 | Airdate: Mar 7, 2023
Does Our "Junk" DNA Make Us Human?
Episode: 2023-03-16 | Airdate: Mar 16, 2023
Nautiloids Thrived For 500 Million Years Until These Guys Appeared
Episode: 2023-03-28 | Airdate: Mar 28, 2023
The Real Story Of The Dodo Bird's (Current) Extinction
Episode: 2023-04-04 | Airdate: Apr 4, 2023
How (Some) Plants Survived The K-Pg Extinction
Episode: 2023-04-13 | Airdate: Apr 13, 2023
It's Becoming Very Clear That Birds Are Not Normal
Episode: 2023-04-25 | Airdate: Apr 25, 2023
The Invisible Barrier Keeping Two Worlds Apart
Episode: 2023-05-02 | Airdate: May 2, 2023
A Natural History of Mars
Episode: 2023-05-09 | Airdate: May 9, 2023
We've Had The Giraffe's Neck All Wrong
Episode: 2023-08-01 | Airdate: Aug 1, 2023
We Helped Make Mosquitoes A Problem
Episode: 2023-08-15 | Airdate: Aug 15, 2023
Did a Tsunami Swallow Part of Europe?
Episode: 2023-08-29 | Airdate: Aug 29, 2023
That Time The Ocean Lost (Almost) All Its Oxygen
Episode: 2023-09-12 | Airdate: Sep 12, 2023
This Is An Ant World, We're Just Living In It
Episode: 2023-09-26 | Airdate: Sep 26, 2023
Are Giant Animals Inevitable?
Episode: 2023-10-24 | Airdate: Oct 24, 2023
When Did We Stop Being Naked?
Episode: 2023-11-09 | Airdate: Nov 9, 2023
The Secret Extinctions Of The Silurian Period
Episode: 2023-11-21 | Airdate: Nov 21, 2023
Beans & Bees (Not Bats) Gave Us Butterflies
Episode: 2023-12-05 | Airdate: Dec 5, 2023
Why Only Earth Has Fire
Episode: 2023-12-19 | Airdate: Dec 19, 2023
Season 2024
How Ancient Microbes Rode Bug Bits Out to Sea
Episode: 2024-01-09 | Airdate: Jan 9, 2024
Our Most Mysterious Extinct Cousins
Episode: 2024-01-23 | Airdate: Jan 23, 2024
Animals Might Be Much Older Than We Thought
Episode: 2024-02-06 | Airdate: Feb 6, 2024
Why Is It So Hard to Tell the Sex of a Dinosaur?
Episode: 2024-02-20 | Airdate: Feb 20, 2024
How Snake Venom Sparked An Evolutionary Arms Race
Episode: 2024-03-05 | Airdate: Mar 5, 2024
When Did We Start Practicing Medicine?
Episode: 2024-03-19 | Airdate: Mar 19, 2024
What Will Earth Be Like 300 Million Years From Now?
Episode: 2024-04-02 | Airdate: Apr 2, 2024
The Hazy Evolution of Cannabis
Episode: 2024-04-16 | Airdate: Apr 16, 2024
There's No Single Cradle of Humankind
Episode: 2024-04-30 | Airdate: Apr 30, 2024
How Sponges Beat The First Mass Extinction
Episode: 2024-05-14 | Airdate: May 14, 2024
When The Atlantic Ripped Open A Supercontinent
Episode: 2024-05-28 | Airdate: May 28, 2024
When India Was An Island
Episode: 2024-08-06 | Airdate: Aug 6, 2024
The Mystery of South America's False Horses
Episode: 2024-08-20 | Airdate: Aug 20, 2024
What Was The First Beverage?
Episode: 2024-09-03 | Airdate: Sep 3, 2024
How The Elephant Got Its Trunk
Episode: 2024-09-10 | Airdate: Sep 10, 2024
When Earth "Ate" A Planet
Episode: 2024-09-25 | Airdate: Sep 25, 2024
How the Himalayas Changed the World
Episode: 2024-10-08 | Airdate: Oct 8, 2024
The Dinosaurs That Evolution Forgot
Episode: 2024-10-22 | Airdate: Oct 22, 2024
What Happened To The Other Mesozoic Mammals?
Episode: 2024-11-05 | Airdate: Nov 5, 2024
How Animals Got Butts
Episode: 2024-11-19 | Airdate: Nov 19, 2024
When the Amazon Flowed Backwards
Episode: 2024-12-03 | Airdate: Dec 3, 2024
When Neandertals Became Apex Predators
Episode: 2024-12-17 | Airdate: Dec 17, 2024
Season 2025
Did Asteroids Spark Life?
Episode: 2025-01-14 | Airdate: Jan 14, 2025
The Mystery of the Cretaceous Pompeii
Episode: 2025-01-28 | Airdate: Jan 28, 2025
The Strange Primates That Thrived In The Mountains
Episode: 2025-02-11 | Airdate: Feb 11, 2025
Why Wasn't There A Second Age of Reptiles?
Episode: 2025-02-25 | Airdate: Feb 25, 2025
The Graveyard at the Center of the Earth
Episode: 2025-03-11 | Airdate: Mar 11, 2025
The Arms Race That Made Insects Take Flight
Episode: 2025-03-25 | Airdate: Mar 25, 2025
When Red Pandas Roamed North America
Episode: 2025-04-08 | Airdate: Apr 8, 2025
The Rise and Fall of a Whale-Eating Sea Monster
Episode: 2025-04-22 | Airdate: Apr 22, 2025
There's An Invisible Ocean Between These Fossils
Episode: 2025-05-06 | Airdate: May 6, 2025
Darwin's Final Obsession
Episode: 2025-05-20 | Airdate: May 20, 2025
The Dinosaurs Too Big To Be Dinosaurs
Episode: 2025-06-17 | Airdate: Jun 17, 2025
Why Paleontologists Can't Stop Fighting About Spinosaurus
Episode: 2025-07-01 | Airdate: Jul 1, 2025
How Dinosaur Extinction Gave Us Fruit
Episode: 2025-07-15 | Airdate: Jul 15, 2025
When Dinosaurs Threw Up A Mystery
Episode: 2025-07-22 | Airdate: Jul 22, 2025
That Time the Earth Was Sticky
Episode: 2025-09-09 | Airdate: Sep 9, 2025
That Time Sharks Got Weird
Episode: 2025-09-23 | Airdate: Sep 23, 2025
We're The Only Ones With Chins - And We Don't Know Why
Episode: 2025-10-07 | Airdate: Oct 7, 2025
Crawling Out Of The Water Was An Evolutionary Accident
Episode: 2025-10-21 | Airdate: Oct 21, 2025
How We Figured Out an Asteroid Killed the Dinosaurs
Episode: 2025-11-04 | Airdate: Nov 4, 2025
How Chewing May Have Beat Extinction
Episode: 2025-11-18 | Airdate: Nov 18, 2025
What Was Greenland Like When it Was Green
Episode: 2025-12-02 | Airdate: Dec 2, 2025