Episode: 1 Unus Annus Episode: 2 Cooking with Sex Toys Episode: 3 Purging Our Sins with a Neti Pot Episode: 4 Hot Dog'd to Death Episode: 5 Making Our Own Sensory Deprivation Tank Episode: 6 The Good Kind of Cupping Episode: 7 The Bad Kind of Cupping Episode: 8 The Worst Kind of Cupping Episode: 9 Ethan Will Be Kicked in the Balls Episode: 10 Doing Each Other's Makeup in the Dark Episode: 11 Baby Hands Operation Episode: 12 Mark and Ethan Summon a Ghost Episode: 13 2 Truths and 1 Lie - Waxing Edition Episode: 14 Poopsie Sparkly Critters (a slime surprise...) Episode: 15 Play-Doh Thanksgiving Episode: 16 Helium Therapy Episode: 17 Drawing Memes from Memory Episode: 18 1 Man 100 Accents Episode: 19 An A.I. Predicts How We're Going to Die Episode: 20 Mark Turns Ethan into a Mummy to Prepare Him for the Great Beyond Episode: 21 The Chubby Gummy Challenge Episode: 22 We Buy a Professional Hypnosis Video and React To It Episode: 23 Mark and Ethan Attempt an Escape Room Episode: 24 Ethan Destroys Mark's Van with a Bat Episode: 25 There's Still Hope... Episode: 26 Ethan Gives Mark a Viking Funeral Episode: 27 The Great Meat Mistake Episode: 28 Acupuncture Is NOT Painful Episode: 29 Floating in a Real Sensory Deprivation Tank Episode: 30 Mark Reviews The Impossible Burger But There's a Looming Sense of Impending Doom Episode: 31 We Made Nude Paintings of Eachother Episode: 32 You Made Beautiful Music for The Barrel... But Only One Could Win Episode: 33 We Had To Drink Each Other's Pee Episode: 34 Ethan Explores Mark's Haunted Basement Episode: 35 Giving Away Our 1,000,000 Subscriber Gold Play Button Episode: 36 Ethan's Relaxing and Totally Normal Nail Salon Episode: 37 Taped and Afraid Episode: 38 What Was The Most Painful Thing We've Ever Endured? Episode: 39 Donating Toys to Charity Episode: 40 Harnessing Our Dogs' Unlimited Energy Episode: 41 Santa's Mukbang (Drinking 1 Gallon of Eggnog) Episode: 42 Forcibly Turning Mark Into Santa Claus Against His Will Episode: 43 Preserving Ourselves In Wax Episode: 44 Beating Inanimate Objects to Death Episode: 45 Emotional Pain vs Physical Pain... Which is Worse? Episode: 46 Duct Tape Crucifixion (Amy, Please Don't Watch This Video) Episode: 47 You Blink You Lose Episode: 48 2 Grown Men Attempt the Presidential Fitness Test Episode: 49 We Took The Polar Plunge Episode: 50 Hiding Our Sins from Amy's Holy Peepers Episode: 51 We Eat Bugs Episode: 52 DIY Bungee Jump (please don't try this) Episode: 53 We Have The BEST Thumbnails on YouTube and No One Can Tell Us Otherwise Episode: 54 Who Can Make Themselves Taller? Episode: 55 The Sensory Overload Tank Episode: 56 Recreating Ourselves as a Cursed Mannequin Episode: 57 We Took an IQ Test Episode: 58 Ethan Finally Becomes a MAN Episode: 59 Mark and Ethan Go Casket Shopping Episode: 60 We Take a Lie Detector Test to Uncover Our Darkest Sins Episode: 61 Learning to Breathe Underwater Episode: 62 Fixing Mark's Hole with Ramen but Every Time We Add Glue We Get 5% Closer to God Episode: 63 Mark Steals Ethan's Face Episode: 64 You Breathe You Die Episode: 65 2 Absolute Beginners Experience the Dancing Glory that is Salsa Episode: 66 DIY Geriatric Simulator Episode: 67 This Is How We'll Die... Episode: 68 We Cryogenically Freeze Ourselves Episode: 69 This is What Being Tased Feels Like Episode: 70 What Happens When A Youtube Channel Dies? Episode: 71 Bad Bad Beans Episode: 72 We Hired a Real Hypnotherapist to Analyze Our Darkest Dreams Episode: 73 We Turned Our Bodies Into Art Episode: 74 Mark and Ethan Learn About The Human Body Episode: 75 Mark Punishes Ethan Episode: 76 Strange (and legal) Things You Can Do With Your Body After Death Episode: 77 DIY Cheese Episode: 78 Hacking The Very Fabric of the Universe Episode: 79 Looking at Long Lost Memes Episode: 80 Discovering the Secret to Eternal Life Episode: 81 Turning Mark Into an E-Boy Episode: 82 Ethan Redefines Male Beauty Episode: 83 Professional Fire Cupping (Going Even Further Beyond) Episode: 84 An Extremely Sour, Not-at-all Sour Meal Episode: 85 Literally Eating Fire Episode: 86 Unregulated Axe Throwing Episode: 87 Literally Laying On Literal Broken Glass Episode: 88 Making an Indoor Tornado to Flex on Mother Nature Episode: 89 Nutball: The Most Dangerous Game Episode: 90 Becoming a Master of Mime Episode: 91 Discussing the Idea of Murdering Each Other but It's Just a Joke and Definitely Not Serious Haha Episode: 92 Are We Already Dead? Episode: 93 Our Perfect (and last) Valentine's Day Episode: 94 Drunk College Party Simulator Episode: 95 10 Strange Amazon Products Ethan Bought Mark Because He Doesn't Know How to Spend Money Responsibly Episode: 96 Chickens Teach Us About Life and Death Episode: 97 3 Big Boys Attempt the King's Royal Fitness Test Episode: 98 Being Attacked by a Fully Trained Bodyguard Dog Episode: 99 Learning the Ancient Art of Chinese Archery Episode: 100 The Ultimate Trolley Problem Episode: 101 Goat Yoga Episode: 102 Edible Slime was a Mistake. Episode: 103 Granting Access Into Heaven's Sweet Gates Episode: 104 Long Hair, Do We Dare? Episode: 105 We Wrote a Hit Pop Song in 30 Minutes Episode: 106 Mark and Ethan Go on a "Drum Date" Episode: 107 Blowing Our Souls Into Some Hot Glass Episode: 108 Top 10 Worst Things Your Friend Could Possibly Spend Their Money On Episode: 109 Nutball Extreme: Taser Edition Episode: 110 REAL Ghost Hunting at an Abandoned Zoo Episode: 111 We Bought a Camera That Can Look Inside Us Episode: 112 Becoming the World's Greatest DJs Episode: 113 Who Can Teach Their Dog a Trick the Fastest? Episode: 114 Middle School Science Experiment Teaches Us About Life and Death Episode: 115 DIY Chiropractor Episode: 116 Mark and Ethan Get Into a Fight Episode: 117 The Barrel Episode: 118 We Got Pepper Sprayed Episode: 119 We Give Each Other Tattoos Blindfolded Episode: 120 What Does Astrology Say About Our Friendship? Episode: 121 Mark and Ethan Get a Full Body Scan to See What Secrets Lay Hidden Within (and learn their body fat) Episode: 122 Mark Needs To Rub Ethan and Only His Mom Can Help Him Episode: 123 2 Idiots Get Crushed by 18-Foot Giant Snakes Episode: 124 Beer Sauna: Turning a Portable Sauna into a Portable Hell Episode: 125 Mark and Ethan Hunt The World's Most Wanted Criminals Episode: 126 Unus Annus Carves the Roast Beast Episode: 127 5 Weird Apps That Predicted Our Death Episode: 128 We Tried a Labor Pain Simulator Episode: 129 Recreating the Miracle of Childbirth Episode: 130 Mark and Ethan Are Now Fathers Episode: 131 We Force James Charles to Run a Military Obstacle Course Episode: 132 Desperately Trying To Not Touch Our Faces Episode: 133 Reddit 50/50: Two Player Edition Episode: 134 Going on an Internet Scavenger Hunt Episode: 135 Having an Adventure In VR Chat Because We Can't Go Outside Episode: 136 Amazon Shopping for the Apocalypse Episode: 137 Whom Would Eat Whomst First in a Zombie Apocalypse? Episode: 138 Ultimate YouTuber Boxing Showdown Episode: 139 The Deep End of Omegle: Risky Boogaloo Episode: 140 Where in the World is Unus Annus? Episode: 141 Mark Builds a Pillow Fort for the Very First Time Episode: 142 Mark's 1 Weird Talent Leaves Ethan Absolutely Speechless Episode: 143 Wikifeet: A Tale of 2 Tootsies Episode: 144 We Made Every YouTuber Battle in the Hunger Games Episode: 145 We Google Each Other to Find Our Darkest Forgotten Sins Episode: 146 We Played Mad Libs And Ran It Through Google Translate Episode: 147 Mark and Ethan Desperately Try and Name a Single State in the USA Episode: 148 Speed Reading 1000+ WPM to Gain a Complete Understanding of All Human Knowledge Episode: 149 What is the Least Viewed Video on YouTube? Episode: 150 We Found Websites That The World Forgot About Episode: 151 The Scariest True Stories on the Internet Episode: 152 How to NOT be the Perfect Boyfriend Episode: 153 Mark and Ethan Find The Lost City of El Dorado Episode: 154 Mark and Ethan Bet Everything on a Wikipedia Race Episode: 155 The Creepiest Videos on Youtube Episode: 156 Help Us Break a YouTube World Record Episode: 157 2 Men 200 Accents Episode: 158 The Illuminati... Do They Really Exist? Episode: 159 Finding The Lost City of Atlantis Episode: 160 Reading YOUR Scariest True Stories Episode: 161 Mark and Ethan Take a Personality Test Episode: 162 Will AI Soon Take Over Humanity As We Know It? Episode: 163 Running Internet Drama through Google Translate Episode: 164 The Secret Unus Annus No-Touchy-Touchy Hand Shake Episode: 165 Two Male Men Judge Female Women on Their Beauty Episode: 166 Bored? Press This Button. Episode: 167 Don't Go in the Ocean... Ever. Episode: 168 We Explore the Most MYSTERIOUS Mysteries of our Wildy Mysterious Mystery Moon of Mysteries Episode: 169 We Looked at Unus Annus Memes Episode: 170 Is Mark a Masochist? Episode: 171 What the Hell is a Pink Trombone? Episode: 172 Professional Fetish Scientists Rank the Best/Worst Fetishes of 2020 Episode: 173 Mark and Ethan Desperately Attempt to Feel Something Episode: 174 An A.I. Generates Our Worst Nightmare Episode: 175 Are Reptilian Humanoids Living Among us? Episode: 176 Like It or Not... This is What The New Human Looks Like Episode: 177 Eating Only Onions for 24 Hours: How Many Onions Does it Take to Kill a Man? Episode: 178 Unus Annus ASMR Episode: 179 We Attempted to Create THICC Water Episode: 180 Making Our Own Gravestones to Prepare For Our Inevitable Demise Episode: 181 How Tall Can A Human Get?: An Impartial Review by 2 Average Height Men Episode: 182 Mark Teaches Ethan Korean Episode: 183 Bigfoot is Real and It Ate My Friend Episode: 184 The End of Unus Annus is Almost Here... Episode: 185 We Explore the Unus Annus Subreddit for Your Delicious Memes Episode: 186 How Big Can a Nuke Get? Episode: 187 How Much Caffeine Does It Take to Kill a Man? Episode: 188 Drinking Real THICC Water... How Bad Does It Taste? Episode: 189 We Played Strip Poker Episode: 190 Harnessing Our Yodeling Power to End The World As We Know It Episode: 191 Mark Cooks Blindfolded While Ethan Guides Him Through FaceTime Episode: 192 We Play the Newlywed Game While Consuming That Which Will Kill the Other Episode: 193 DIY Boob Episode: 194 We Have the Best Bellies on Youtube Episode: 195 The Unus Annus Confessional Booth Episode: 196 DO NOT OPEN UNTIL 2080 Episode: 197 Only UNUS-es May Watch This Video Episode: 198 Only ANNUS-es May Watch This Video Episode: 199 Only Watch from 2:15 to 6:11 - Do Not Watch Any Other Part of This Video Episode: 200 DIY Wine Episode: 201 Tearing a Phone Book in Half with Our Huge Manly Muscles Episode: 202 2 Complete Amateurs Enter a Body Building Competition Episode: 203 BLACK LIVES MATTER Episode: 204 Crushing Watermelons Betwixt Our Mighty Thighs Episode: 205 Morphing Our Bodies Into Superhero Poses Episode: 206 Reacting to Your Hilarious Green Screen Memes Episode: 207 Mark Teaches Ethan to Read with Hooked on Phonics Episode: 208 Ethan Roasts Mark for 15 Minutes Straight Episode: 209 There's Something Horribly Wrong with This Picture... Episode: 210 Attempting to Build IKEA Furniture Without Instructions Episode: 211 Mark and Ethan Become United States Citizens Episode: 212 We Made Fanart for Each Other Episode: 213 Our Fans Try to Scare Us with Their Homemade Creepypasta Episode: 214 Recreating Childhood Photos Episode: 215 Will We Break the Boards... Or Will They Break Us? Episode: 216 Finding the Most Cursed Image on the Internet Episode: 217 Learning to Cry on Command to Increase Our YouTube Views Episode: 218 Pee Sauna Episode: 219 Building IKEA's Hardest Piece of Furniture Without Instructions is Impossible Episode: 220 Becoming One With the Horse Episode: 221 The Ultimate Paper Airplane Showdown Episode: 222 Creating Mark FISHbach Episode: 223 Learning How to Lock Pick (FBI Please Don't Watch) Episode: 224 The Most Dangerous Shave Episode: 225 Ethan Traps Mark's Soul in the Palm of his Hand Episode: 226 Bear Trapping 101: An Elegant Knot For An Elegant Beast Episode: 227 2 Men In a Trench Coat Teach You How to Save Money at the Movies Episode: 228 Building the World's First IKEA Boat Episode: 229 Ethan Teaches Mark How to Swim Episode: 230 10 Miracle Products to Give YOU the Thiccest Jaw on Planet Earth Episode: 231 2 Dirty Boys Wash Their Filthy Mouths Out With Soap Episode: 232 Mark is Guilty. Ethan Has the Proof. Episode: 233 Recreating Mark's Childhood Episode: 234 We Put an Apple Watch in a Rock Tumbler Episode: 235 Dummy THICC for Dummies - A Tale of 2 Butts - Pushing Our Butts Even Further Beyond Episode: 236 Reverse Engineering a Kite to Steal the Idea of Electricity From Benjamin Franklin Episode: 237 The Candy Bra Challenge Episode: 238 Mark and Ethan Look at a Puppy for 10 Minutes Episode: 239 Unus Annus Try Pole Dancing Episode: 240 This Is Hiding On Your Body RIGHT NOW. Episode: 241 Tasting Weird Food Combos: Pickles and Chocolate? Ice Cream and Soy Sauce? Episode: 242 The Unus Annus Space Program Episode: 243 The Egg Smashing Game Episode: 244 Can You Bake a Cookie from Cookie Dough Ice Cream? Episode: 245 Bleachus Annus Episode: 246 Dunking Oreos In Literally Anything But Milk Episode: 247 Preparing a 5-Star Meal for Our Youtube Famous Dogs Episode: 248 DIY Teeth Episode: 249 How to Escape from a Hostage Situation Episode: 250 Does This Magnetic Skincare Routine Really Work? Episode: 251 Diy Bed of Nails : Oh God, Please Don't Ever Try This Episode: 252 The Human Mop Episode: 253 Can Sound Therapy Heal All Wounds? Episode: 254 This Is The Most Dangerous Children's Toy Ever Made Episode: 255 Would Chica Save Us From Drowning? Episode: 256 We Do It Better Than Icarus Ever Could Episode: 257 The Beginning of The End Episode: 258 The Annual Unus Annus Dunk Contest Episode: 259 Ultimate Horseshoes Episode: 260 A Serious Conversation Under the Stars Episode: 261 Recharging Our Phones Using Only Brute Strength Episode: 262 5 Products to Grow Your Patchy Beard Episode: 263 Mark Teaches Ethan How to Play the Trumpet Episode: 264 Playing Cards: The World's Deadliest Weapon Episode: 265 We Lubed Our Floor for a Sliding Competition Episode: 266 Breaking Glass With Our Screams Episode: 267 This Is Goodbye Episode: 268 Mark and Ethan Share a Drink Episode: 269 The Wubble Episode: 270 Mark and Ethan Shave Chica Episode: 271 DO NOT TRY THIS UNDER ANY CIRCUMSTANCES Episode: 272 Judging Your Terrible Unus Annus Ideas Episode: 273 Hydro Dipping A Baby Episode: 274 Popping Popcorn with a High-Powered Laser Episode: 275 Puberty Simulator Episode: 276 Grip Strength Test: Loser Becomes the Winner's Butler for a Day Episode: 277 Momiplier Teaches Self-Defense Episode: 278 Transforming Mark into the 8th Wonder of the World Episode: 279 Playing Children's Games in Total Darkness Episode: 280 We're Better Than Dogs Episode: 281 The Koala Challenge: TikTok's Intimate Couple's Trend Episode: 282 1 Gallon of Jello Nearly Broke Us Episode: 283 Too Many Pickles Episode: 284 Pitching a Tent in the Woods But There's a Bear 15 Feet Away Episode: 285 How to Rescue a Cat from a Tree Episode: 286 A Bear Attacked Us in the Middle of the Night Episode: 287 How to Safely Bury Your Friend Episode: 288 Team Building for 2: Trust Fall, Tug-of-War, and More! Episode: 289 How to Start a Fire (except don't...) Episode: 290 Mark's Outdoor Escape Room Episode: 291 Hunting HeeHoo Episode: 292 Was 2020 a Bad Year for Unus Annus? Episode: 293 Mark Gives Ethan a HOT (stone) Massage Episode: 294 We Smell Every Smell Episode: 295 How Many Slaps Does It Take to Cook a Chicken? Episode: 296 2 Boys 2 Poops Episode: 297 Mark Teaches Ethan How to March in a Marching Band Episode: 298 We Finally Drank Our DIY Wine Episode: 299 2 Adults Take a 4th Grade Math Test Episode: 300 Making Snow Cones With Literally Anything But Normal Flavors Episode: 301 We Attempt Pottery Without Amy's Help Episode: 302 Can Plants Feel Pain? Episode: 303 How Far Can We Chuck a 16lbs Rock? Episode: 304 We Pierced Each Other's Ears Episode: 305 We Ate Dog Treats So You Don't Have To Episode: 306 We Accidentally Made an SCP While Amy Was Away Episode: 307 BEYBLADE NUTBALL Episode: 308 Making the Ultimate Unus Annus Burger Episode: 309 Making Soda With Literally Anything But Soda Episode: 310 Pee Soda Episode: 311 Learning to Use The Force Episode: 312 Brick Soccer Episode: 313 We Attempt to Make Holy Water Episode: 314 Amy Sent Us a Mystery Box Episode: 315 Mark Knows What Ethan Did... Episode: 316 This Video Will Never Make Sense Episode: 317 We Attempt to Make UNHOLY Water Episode: 318 We Will Churn Thy Butter Episode: 319 Ethan Teaches Mark Gymnastics Episode: 320 The Great Ice Cream Cake Race Episode: 321 Mark Teaches Ethan to Wrestle Episode: 322 Ethan Watches as Mark Achieves the Impossible Episode: 323 Consuming the World's Hottest Chip Episode: 324 This Video Went Completely Out of Control Episode: 325 The 1000 High Five Challenge Episode: 326 Bobbing For Apples But the Water Keeps Getting Thiccer Episode: 327 Mark Breaks His Nose On An Aerial Hoop Episode: 328 Mark and Ethan Milk a Goat Episode: 329 Shooting Archery ON A HORSE Episode: 330 DIY Minesweeper Episode: 331 Literally Finding a Needle in a Haystack Episode: 332 Drawing on Each Other's Backs in Total Darkness Episode: 333 This is For FUN and NOT a Fetish Episode: 334 Mark Conquers His Fear of Night Swimming Episode: 335 The Painful World of Aerial Silks Episode: 336 We Bought Every Grinch Costume on Ebay Episode: 337 Pumpkin Taste Tier List Episode: 338 Learn to Jump Higher in 16 Minutes and 16 Seconds Episode: 339 Bobbing For Literally Anything But Apples Episode: 340 This Video is Completely Unedited Episode: 341 Momiplier Tells Us True Scary Stories from Korea Episode: 342 Pumpkin Spice "Challenge" Episode: 343 Mark and Ethan Build a Scarecrow Episode: 344 Pressure Washing Our Sins Away Episode: 345 We Force Mark to Swim in the Ocean (HIS GREATEST FEAR) Episode: 346 Fighting Fish to the Death in the Deep Blue Sea Episode: 347 Cryptid Olympics Episode: 348 Phasmophobia in Real Life Episode: 349 Edward Pumpkin Hands Episode: 350 Blood Bath Episode: 351 The Unus Annus Annual Costume Contest Episode: 352 Ethan Turns Mark into a Werewolf Episode: 353 Ethan Kidnapped Mark Episode: 354 The Truth of Unus Annus Episode: 355 Accepting the Truth Episode: 356 The Unus Annus Last Supper Episode: 357 Being Brutally Honest with Each Other Episode: 358 Recreating Every Single Unus Annus Video Episode: 359 All Our Video Ideas That Never Happened Episode: 360 Who's Cutting Onions In Here??? Episode: 361 The 1st Annual Unus Annus Roast Episode: 362 God's Fitness Test Episode: 363 Saying Goodbye to All Our Guests Episode: 364 Everything's Legal If You're Dead Episode: 365 7 Minutes in Heaven 7 Minutes in Hell Episode: 366 The Unus Annus Annual Sleepover Episode: 367 Goodbye.