Project BLUE Chikyū SOS

Project Blue Earth SOS (ProjectBLUE 地球SOS, Purojekuto Burū Chikyū Esuōesu) is an anime series consisting of six hour-long episodes. It was aired on the Japanese television network, AT-X, from July 2 to December 3, 2006. It was originally licensed by ADV Films and became one of over 30 ADV titles transferred to Funimation Entertainment in 2008.

Plot
In a retro-future version of the nineties, the disappearance of revolutionary G-Reaction engines is but the beginning of the ghastly end for mankind.

While deranged alien forces prepare a fleet of flying saucers to the invasion of all invasions, teenage geniuses Penny Carter and Billy Kimura join forces with a clandestine secret alliance to save humanity from the extra-terrestrial helmet worms and their tentacles of doom!