===Availability===
{{Alpha Hydranoid Log}}
===North America===
Alpha Hydranoid was originally released as a [[Special Attack]] Heavy Metal Bakugan. It is available in [[Darkus (Legacy)|Darkus]], [[Haos (Legacy)|Haos]], [[Pyrus (Legacy)|Pyrus]], [[Subterra]], and [[Ventus (Legacy)|Ventus]]. The highest G-Powered attribute made was the Subterra version at 750 Gs. You can also get a 650 Gs Subterra version. The Haos version comes with 630 Gs. A non-metal translucent version was released as part of the [[Masquerade]] Brawler's Evolution starter set, which also included [[Hydranoid]] and [[Dual Hydranoid]].
Alpha Hydranoid was re-released for ''[[Mechtanium Surge]]'', along with [[Dharak]] and [[Cyborg Helios]], as part of the BakuEvolutions "Evil" set. Available in Darkus only, it received a new color scheme to match the other ''Mechtanium Surge Bakugan'' and a DNA Code for online play. This is the strongest version available at 800 Gs.
===Japan===
In Japan, its Subterra [[BakuTech]] version in BTC-05 comes with 460 Gs, 480 Gs, or 500 Gs. Its translucent Darkus version in BBT-03 and BST-02 comes with 340 Gs or 380 Gs.
==Video Games==