World's Most Inebriated: The Bizarre TRUTH Behind Catnip

World's Most Christmassy: HOLIDAY SPECIAL!

World's Longest: Animals That DEFY Nature With Their Length!

World's Most Dramatic: How Do Electric Eels Make Electricity?

World's Best Teams: The Unlikely Bond Between A Badger And A Coyote

World's Most Invasive: The Truth About Outdoor Cats

World's Laziest: Why Do Koalas Have Chlamydia?

World's Best Builders: Can Beavers Fell Trees As Tall As A 10-Story Building?

World's Craziest Bugs: Our First Guest Episode

World's Spookiest: Is Bigfoot Real?

World's Silliest: Are Giant Pandas Really As Dumb As We Think?

World's Most Misunderstood: This Is Why We Need Mosquitoes

World's Most Unnoticed: Are Human Sized Squirrels Real?

World's Rudest: Swearing Parrot Gets Taken Off Display After Saying Something Really Bad

World’s Stickiest: How This Frog Turns Ants Into Armor

World's Crankiest: Do Lemmings Really Jump Off Cliffs?

World’s Yappiest: Was The Last Of Us Right About Fungus Networks?

World's Darkest: Can This Shark Live 500 Years?

World's Most Disproportionate: Why Is This Monkey's Nose So Big?

World's Oldest: Was This Bird Bigger Than A Jet?

World's Hottest: Can This Worm Survive In Boiling Water?

World's Stealthiest: How Does This Octopus Master The Art Of Disguise?

World's Loudest: Can Sperm Whales Kill With Just Their Voice?

World’s Smelliest: This Bird Vomits in Self Defense

World's Roundest: Can Eating This Fish Kill You?

World's Rarest: Are Turtles Going Extinct?

World's Coldest: Why Did They Send A Bear To Space?

World's Weirdest: Can Naked Mole Rats Survive Without Oxygen?

World’s Wildest: Pride Month In The Animal Kingdom

World's Deepest: Diving Into The Twilight Zone