Helium Therapy

  • Published: 29 November 2019
  • As their voices grow higher, Ethan and Mark's friendship grows stronger.
    ʙʟᴀᴄᴋ ғʀɪᴅᴀʏ ᴍᴇʀᴄʜ ➤ unusannus.com
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  • Fun Fun

Comments • 10 684

  • Colton J. Melton
    Colton J. Melton  2 minutes back

    Wait. Was Ethan even inhaling helium? Couldnt tell.

    • nanda
      nanda  6 minutes back

      this is the best video on youtube.

      • I_will_steal_your_toaster !!

        Abigail is living a good life

        • Kimberly Goodwin
          Kimberly Goodwin  49 minutes back

          I worked at the book fair one year in Junior High. I stole so many things. I understand Ethan.

          • DGGAMER
            DGGAMER  1 hours back

            Fucking Abigail😂💀

            • Shelbie Kimsey
              Shelbie Kimsey  1 hours back

              I gave in and bought a shirt lol 😅

              • Carlos Rodriguez
                Carlos Rodriguez  1 hours back

                Just 2 men chillin livin life and learning about each other high asf on helium. Literally sucking helium through balloons like stoners smoke blunts😂😂 loving unus annus and am literally binge watching to catch up on everything ive missed I subbed the moment I watched the announcement video

                • KomplicatedYT
                  KomplicatedYT  2 hours back

                  What is the background Jazz Music?? 😂

                  • Homie Dodo bird
                    Homie Dodo bird  3 hours back

                    Mark sounds the best with helium

                    • Wolf Heart
                      Wolf Heart  3 hours back

                      i love how marks voice is still deep even with the helium XD

                      • Ethan Lackey
                        Ethan Lackey  4 hours back

                        Fuck Abigail

                        • Kyera2Toasty
                          Kyera2Toasty  5 hours back

                          Ethan and Mark getting high on helium for 15 minutes straight xD ♡

                          • Horsegirl and Rooster
                            Horsegirl and Rooster  5 hours back

                            Why am I picturing Darkiplier with the helium voice? 😂😂😂😂
                            Am I the only one?

                            • Jay Kitsune
                              Jay Kitsune  5 hours back

                              While i would like to buy a shirt, i dont think having people ask me why it says anus on my shirt is quite worth it, sry

                              • garrondumont
                                garrondumont  5 hours back

                                Mark on helium would unironically be a great villain in a kid's show...

                                • Crosstailslub* Lubbock
                                  Crosstailslub* Lubbock  5 hours back

                                  Demonitisation this whole channel is demonitised

                                  • Cloud Trash
                                    Cloud Trash  7 hours back

                                    love that the balloons correlate with the suits when they’re in the spiral

                                    • Oakley Xx
                                      Oakley Xx  8 hours back

                                      Marks voice is still deep with helium

                                      • HiddenSiren
                                        HiddenSiren  9 hours back

                                        Why does Mark's voice remind me of Lord Varys from GoT?

                                        • Moody BadMoodBird
                                          Moody BadMoodBird  9 hours back

                                          Markiplier: (has a low, bass-like voice)

                                          Also Markiplier: (Sounds like a psychotic goblin after inhaling helium)

                                          Me: 😱

                                          • Kraken 05
                                            Kraken 05  10 hours back

                                            Hellium Mark's voice sounds like a villian that is a scientist

                                            • Eleanor Hartshorn
                                              Eleanor Hartshorn  10 hours back

                                              ...Mark turns into Casper on helium! :P

                                              • Icepyr
                                                Icepyr  12 hours back

                                                Let's here it for late blooming males! My first time was a month before I turned 20 and we did it to the entire Dragonforce Inhuman Rampage Album...gotta say, that was too long and I was nervous as f**k ^~^

                                                • Purple Funtime
                                                  Purple Funtime  12 hours back

                                                  Ethan's voice on helium was so cute but mark on helium sounded like a demon child
                                                  btw love your vids

                                                  • Abigale Ecenbarger
                                                    Abigale Ecenbarger  13 hours back

                                                    Y’all used my name as a cover name and now I’m just severely uncomfortable 😂

                                                    • Hot & Cold
                                                      Hot & Cold  14 hours back

                                                      HE SOUNDS LIKE A BABY KILLER

                                                      • Aaron Ayotte
                                                        Aaron Ayotte  15 hours back

                                                        Why is no one talking about how Ethan sounded like Lisa Simpson?

                                                        • D Rivas
                                                          D Rivas  16 hours back

                                                          The amount of sexual tension is astounding

                                                          • Jessica A
                                                            Jessica A  17 hours back

                                                            Mark’s voice while on Helium is amazing 😂😂😂 He sounds like Moaning Myrtle 🤣

                                                            • Loafcat 4567
                                                              Loafcat 4567  17 hours back

                                                              Fucking elmo out here planning to kill mark with acid

                                                              • haildos killman
                                                                haildos killman  18 hours back

                                                                Why does Mark sound like the one guy from the Disney movie emperors New grove

                                                                • NeoAnime
                                                                  NeoAnime  19 hours back

                                                                  Mark sounds like a squirrel version of Kronk

                                                                  • Munico
                                                                    Munico  20 hours back

                                                                    Ethan should voice act using his helium voice, it sounds like a great voice for a character

                                                                    • Julia Golichowski
                                                                      Julia Golichowski  20 hours back

                                                                      mark on helium sounds like moaning myrtle

                                                                      • George Viehl
                                                                        George Viehl  20 hours back

                                                                        Today on Unus Annus: Gollum talks about his childhood crushes

                                                                        • Maryann
                                                                          Maryann  21 hours back

                                                                          Mark who was SUPPOSED to be an engineer, now doing this, "oh yeah she's like a lawyer or something"

                                                                          • American Crystal
                                                                            American Crystal  22 hours back

                                                                            A 14:55 second video of Mark and Ethan sharing embarrassing life choices

                                                                            • Lycanskull
                                                                              Lycanskull  22 hours back

                                                                              Markiplier on Helium is one of the coolest sounding things coming from the stupidest concept.

                                                                              • Scripin
                                                                                Scripin  22 hours back

                                                                                "He exited, and then *I* exited."

                                                                                I choked on my own spit.

                                                                                • Savannah Banana
                                                                                  Savannah Banana  22 hours back

                                                                                  Is it bad that Mark on Helium makes me think of Puss in boots-

                                                                                  • Square Squid Studios
                                                                                    Square Squid Studios  23 hours back

                                                                                    Ethan, on helium, please say "This house is clean."

                                                                                    • Tom Girl
                                                                                      Tom Girl  23 hours back


                                                                                      • Unknown Kadachi
                                                                                        Unknown Kadachi  23 hours back

                                                                                        When realize mark sound like God and mark on hellium sounds like dog from fallout new Vegas dm

                                                                                        • SHOTObakugo owo
                                                                                          SHOTObakugo owo  23 hours back

                                                                                          Ethan: what if I killed Chica?

                                                                                          me: John Wick enters the chat

                                                                                          • Min-hi Johnson
                                                                                            Min-hi Johnson  24 hours back

                                                                                            Marks voice is hilarious

                                                                                            • Fmesideeways15
                                                                                              Fmesideeways15  24 hours back

                                                                                              😱! Idk what it is and this is too late but the BalloonTime box actually says that it isn’t helium. I’m sure it’s gotta be safe cause they assume people will do this but it still doesn’t tell you which gas it is.

                                                                                              • Gmexgirl 9
                                                                                                Gmexgirl 9  1 days back

                                                                                                This is murder, i just witnessed murder XD

                                                                                                • Dead Person
                                                                                                  Dead Person  1 days back

                                                                                                  Everyone: *abigail jokes, chicas death jokes, etc.*

                                                                                                  Me: *wanting some helium*