GoGoAnime for your Android devices from  

Great Mazinger Description:

Plot Summary: A manga comic book and anime television series by manga artist Go Nagai, made as a direct continuation of the successful Mazinger Z series. It was aired on Japan in 1974, immediately following the end of the first Mazinger series.
Great Mazinger Episodes:

Mugen Shinshi: Bouken Katsugeki-hen English Subbed | Eps13 Nowhere Boys Season 3 | Scooby-Doo 06 - The All-New Scooby and Scrappy-Doo Show