Unus Annus — Season 1, Episode 16: Helium Therapy

Episode synopsis

As their voices grow higher, Ethan and Mark's friendship grows stronger.

About Unus Annus

Ethan from CrankGameplays and Markiplier embark on a year long journey, only for it to be completely deleted in a year.

More episodes from Season 1

• E1Unus Annus
• E2Cooking with Sex Toys
• E3Purging Our Sins with a Neti Pot
• E4Hot Dog’d to Death
• E5Making Our Own Sensory Deprivation Tank
• E6The Good Kind of Cupping :)
• E7The Bad Kind of Cupping :|
• E8The Worst Kind of Cupping D:
• E9Ethan Will Be Kicked in the Balls
• E10Doing Each Other's Makeup in the Dark
• E11Baby Hands Operation
• E12Mark and Ethan Summon a Ghost