Day 38: What Was The Most Painful Thing We've Ever Endured

Day 21: The Chubby Gummy Challenge

Day 35: Giving Away Our 1,000,000 Subscriber Gold Play Button

Day 20: Mark Turns Ethan into a Mummy to Prepare Him for the Great Beyond

Day 37: Taped and Afraid

Day 13: Truths and 1 Lie -- Waxing Edition

Day 36: Ethan’s Relaxing and Totally Normal Nail Salon

Day 8: The Worst Kind of Cupping

Day 34: Ethan Explores Mark's Haunted Basement

Day 42: Forcibly Turning Mark Into Santa Claus Against His Will

Day 27: The Great Meat Mistake

Day 17: Drawing Memes from Memory

Day 41: Santa's Mukbang (Drinking 1 Gallon of Eggnog)

Day 19: An A.I. Predicts How We're Going to Die

Day 11: Baby Hands Operation

Day 29: Floating in a Real Sensory Deprivation Tank

Day 28: Acupuncture Is NOT Painful

Day 39: Donating Toys to Charity w JackSepticEye

Day 24: Ethan Destroys Mark's Van with a Bat

Day 30: Mark Reviews The Impossible Burger But There’s a Looming Sense of Impending Doom

Day 32: You Made Beautiful Music for The Barrel... But Only One Could Win

Day 14: Poopsie Sparkly Critters (a slime surprise...)

Day 1: Unus Annus

Day 23: Mark and Ethan Attempt an Escape Room

Was Meghan boring on the Ellen show on purpose?

How to French kiss like a pro