Helium Therapy

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  • 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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    This channel, along with every video that has or will ever be uploaded on this channel, will be deleted after our year has ended. This is inevitable. Inescapable. Irreversible.

    Do not archive or re-upload anything. This is our last wish. Our parting gift. Stay true to the purpose of our final year or we shall lay down wrath upon those that attempt to escape the end.

    Memento Mori.

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  • Fun Fun

Comments • 10 809

  • Nerii Fox
    Nerii Fox  22 minutes back

    Is this you laugh you lose ? XD

    • QÙÊËÑ ÈÇLÍPSÉ
      QÙÊËÑ ÈÇLÍPSÉ  2 hours back

      Mark,you sound so damn creep like you sound like DEATH. You sound like satan himself. You said absolutely amazing.🤣

      Ethan,you sould like a hamster an evil hamster. You sound like a angel that is sooo damn high it speaks like a hippie.🤣🤣

      • Terra Cramer
        Terra Cramer  3 hours back

        Ethan sounds like Moaning Myrtle and i cant deal with it

        • Jackoo Draws
          Jackoo Draws  3 hours back

          Mark sounds like a villain from Nickelodeon or something!

          • IdkBlaze
            IdkBlaze  4 hours back

            Wth I randomly got unsubscribed from the channel

            • pheonix T.R.R.
              pheonix T.R.R.  4 hours back

              5:18 can someone come up with away to make this sound like its marks normal voice.

              • Sir Art
                Sir Art  4 hours back

                Ethans high pitch voice sounds like Ezma from emperors groove when she was a cat 🤣🤣🤣

                • Kaylie Babocsi
                  Kaylie Babocsi  5 hours back

                  Mark sounds kinda like Kronks shoulder demon and angel from emperors new grove

                  • Chase Simpson
                    Chase Simpson  5 hours back

                    Unus annus brothers

                    • Broken Pieces
                      Broken Pieces  5 hours back

                      Ethan’s first answer was terrifying!!!

                      • Reeces_ Peaces15
                        Reeces_ Peaces15  5 hours back

                        Mark sounds like Puss in Boots

                        • Samantha Nickerson
                          Samantha Nickerson  5 hours back

                          Alternate title: “We impersonate Sméagol and Alvin the Chipmunk for a day”

                          • King Za
                            King Za  6 hours back

                            I enjoyed this way too much and we need to do this again XD

                            • King Za
                              King Za  6 hours back

                              As a person who has inhaled helium before....I KNOW THEY ARE AS HIGH AS A KITE THROUGHOUT THIS WHOLE VIDEO XD XD XD

                              • Ayva R
                                Ayva R  7 hours back

                                Mark in every. Single. Video: “don’t touch me”

                                • Roblox Cringe
                                  Roblox Cringe  7 hours back

                                  marks voice goes from deep tone to normal tone

                                  • Plushy the Purple Fox
                                    Plushy the Purple Fox  7 hours back

                                    0:57 Someone make this a meme. 🤣

                                    • Manuel Rose
                                      Manuel Rose  8 hours back

                                      Why does Mark sound like Myrtle the ghost from HArry Potter?

                                      • Zoey Sheldon
                                        Zoey Sheldon  8 hours back

                                        *Gasp!*
                                        Is that dope or nope merch I see Ethan wearing!?!?
                                        Has no one noticed this!?!?!!

                                        • kyle Kjerstad
                                          kyle Kjerstad  9 hours back

                                          This is super dangerous just a heads up.

                                          You risk seizure or esphixiation from inhaling too much or if you are a teenager. There are many documented cases of teens and young adults dying from inhaling this.

                                          • Trevor Wheat
                                            Trevor Wheat  9 hours back

                                            Why does Ethan sound like Moaning Myrtle

                                            • Lichy
                                              Lichy  9 hours back

                                              Commenting On Every Unus Annus Video #16
                                              the sun makes up 99% of our solar system's mass. a large portion of the sun is made up of helium, and in a stage of it's life in which it converts elements into helium. helium will expand the sun in a few billion years and potentially swallow up every planet up to and possibly earth. helium has the lowest freezing point of any element in the known universe.


                                              yet we're using it for shit like this.

                                              • Donal Welch
                                                Donal Welch  10 hours back

                                                Markiplier on helium sounds a lot like my friend Troy. Of course, Marks’ voice is a lot deeper.

                                                Yes his voice is actually like that. Don’t question.

                                                • FireIce
                                                  FireIce  11 hours back

                                                  I'm gonna be so sad when this channel gets deleted

                                                  • Arkanna
                                                    Arkanna  14 hours back

                                                    Mark on helium sounds like Ryan Reynolds.

                                                    • Samaël WL
                                                      Samaël WL  14 hours back

                                                      Ethan is baby

                                                      • Lukas Ljungcrantz
                                                        Lukas Ljungcrantz  15 hours back

                                                        Dont drink while watching this haha

                                                        • Raeley Denton
                                                          Raeley Denton  17 hours back

                                                          Mark: after 30 minutes of ...dry thrusting!!!!!LOL

                                                          • TheMobileGuy
                                                            TheMobileGuy  20 hours back

                                                            Mark sounds like Morgan Freeman but on helium

                                                            • Rebekah Wilson
                                                              Rebekah Wilson  20 hours back

                                                              Mark’s voice on helium sounds like a woman that’s a heavy smoker

                                                              • Hokori Sensei
                                                                Hokori Sensei  21 hours back

                                                                You should try this with hexafluoride

                                                                • Clayton S
                                                                  Clayton S  21 hours back

                                                                  i like chicken

                                                                  • matt keppz
                                                                    matt keppz  24 hours back

                                                                    Mark sounds so fucking French

                                                                    • babie. ༉୭
                                                                      babie. ༉୭  1 days back

                                                                      mark sounds like that robot chick from portal i forgot her name

                                                                      • RebelSavant99
                                                                        RebelSavant99  1 days back

                                                                        Mark + Helium = Demonic Kronk

                                                                        • JP McKinney
                                                                          JP McKinney  1 days back

                                                                          Ethan sounds like a girl 😂

                                                                          • TheJosherieThatis
                                                                            TheJosherieThatis  1 days back

                                                                            ...... what the frick is going on???

                                                                            • Bob Krane
                                                                              Bob Krane  1 days back

                                                                              Bob likes this

                                                                              • geoffrey lewis
                                                                                geoffrey lewis  1 days back

                                                                                Loved watching this

                                                                                • Danielle Fluharty
                                                                                  Danielle Fluharty  1 days back

                                                                                  My favorite Unus Annus video.

                                                                                  • Keygan Strouse
                                                                                    Keygan Strouse  1 days back

                                                                                    The best way to hide a body is to feed it to pigs because they will not only eat the meat but the bones as well

                                                                                    • Winter Schick
                                                                                      Winter Schick  1 days back

                                                                                      After a certain point, they both started sounding like Moaning Myrtle😂😂😂😂😂😂😂😂😂

                                                                                      • cowboy20102
                                                                                        cowboy20102  1 days back

                                                                                        Mark really wanting to kill Ethan for saying the chica thing:.......
                                                                                        Me:😮😮😮😮😮😧😧😧😨😨😨😂😂😂😂
                                                                                        Ethan:😬😬😬😬😬😬😬😅😅😅😬😬😬

                                                                                        • butterball :3
                                                                                          butterball :3  1 days back

                                                                                          Fun fact pigs will eat humans everything in the body except the teeth

                                                                                          • AmberPlayz
                                                                                            AmberPlayz  1 days back

                                                                                            Who else was dying at Mark’s slide story



                                                                                            Just me? Ok

                                                                                            • ZillaXXX tracy
                                                                                              ZillaXXX tracy  1 days back

                                                                                              12:54 😂😂😂😂

                                                                                              • xGoodnEvilx
                                                                                                xGoodnEvilx  1 days back

                                                                                                ive never laughed so hard at a video in my life

                                                                                                • twilight chaser
                                                                                                  twilight chaser  1 days back

                                                                                                  Bruh#15😂