The Aquabats! Super Show! S02 E01 Return of The Aquabats!

Following their previous encounter with Space Monster M, The Aquabats crash-land back on Earth, awakening to realize they have no memory of what happened or who they are. Hailed as heroes by the adoring public, the band starts slowly piecing together their identities. After managing to destroy a rampaging mutated Ronmark (from the episode "Night of the Cactus!"), the band find themselves overwhelmed with demands from citizens seeking their help.