Listen to the sound clip What Do I Know from Morty Soundboard: What Do I Know What Do I Know This sound is from Morty Soundboard Achtung, fellow Dimension C-137 residents! Prepare to plumb the depths of Morty's psyche with the Mega Morty Mashup Soundboard! This colossal compendium of catchphrases crams over 200 of Morty's most iconic, nonsensical, a… Go to the full soundboardwith more sound clips Search