It was highly believed that this cartoon was silent, until 2018, when a YouTube user, whose screen name is CDCB2, discovered and uploaded a full version with audio and also the missing title cards.
When the original audio was discovered 2 years ago, the original audio plays the music "The Gonk". 10 years later, The 1978 film, George A. Romero's "Dawn of the Dead" also played this audio as ending credits.