Happy Tree Friends is a very popular yet highly graphic series premiered on the last days from 20th century and the last cartoon premiered in the 20th century, in latin america, the show is premiered in 2004 on TV, and aired on MTV since 2004 until 2012 (i think). in august from 2017, is re-premiered on Comedy Central with the other dub.
The dub has 2 versions, the first is made in Miami in 2004 and the second is made in Argentina in 2017, the Miami dub is narrated by Larry Villanueva and the Argentina is narrated by Martín de Renzo.
While the characters only make sounds like screams, grunts and laughs, only the inserts were made (titles and moral ending).
Now is partially lost, saving somes episodes uploaded on youtube.
Now the show is aired on Comedy Central Latin America (now on hiatus) and the only evidence to saving this dubs, is recording the audio (only if you live in Latin America)
The TV series with the Miami dub is aired on Comedy Central.
Apart, the TV series latin america episodes titles is mentioned on the Spanish HTF Wiki.