Popi!

Watch Yusei Shonen Papi (1965) #1 (English subtitled) in Anime  |  View More Free Videos Online at Veoh.com

this is pretty cool as well.  subtitled Prince Planet.  I gotta say, I like the US version of the theme song more than the original. 

I suppose it's a pipe dream to hope for a legit DVD set.  heck, I'd take a DVD-r set from WB Archives.  or whoever.