The Heart She Holler's advertising in 2013 consisted of short jumpscares in existing Adult Swim bumpers airing at the time. They got louder as August went on until the full commercial appeared. It advertised Season 2. The most common version has less blood and lasts for 30 seconds at most. However, there was another possible version that lasts for 15. However, most public uploads are 30 seconds. Even Adult Swim has the 30 second version. Only one video has the 15 second version but in poor quality and only eight seconds were recorded.
Current Status: found
User on youtube named top15s talked about this bumper on his top 15 commericals vid in its full version in higher quality