The release of the show is on April 4th. Which written down is 4.04 the name of the show.
The show's title, "Dimension 404," is a reference to HTTP Error 404, often seen as an HTML error page titled "page not found", thereby representing the "Dimension's" impossible location.
In season 1 episode two ,Patton Oswalt's character can be seen wearing a t-shirt that shows the alien from the movie " They Live", with the word conform, written on it.