From the Bottom of the Wave.The Earth Federation Alliance thermal power plant has receive a warning that another Zeravire has arrived on Earth in the ocean. However, none of the G-Soldiers are aware of that warning. Leele is in the G-Shadow, looking for a sign of a Zeravire in the ocean. However, Leele loses signal from the control room, where Sandman and Raven are, right after a Zeravire is sighted. Meanwhile, maintenance is being performed on the G-Driller for Luna and Eina, and the Gran Kaiser for Toga and is ready as well. However, Eiji and Mizuki must stay behind, since both the G-Attacker and the G-Striker are not operational. Eiji begs to Eina to disguise himself as her. Toga, Luna, and Eiji go and find Leele in the ocean. As they have found Leele, the Zeravire attacks them. Toga is reminded from Eiji to protect Leele, rather than to sacrifice her. Leele, unconscious, wakes up and sees Toga. Toga tells her that they are in the Earth Federation Alliance thermal power plant, located in the ocean. Toga tells Sandman that the Zeravire is draining the energy from the thermal power plant to evolve in size. Sandman then predicts that the Zeravire will challenge Gravion to a battle in its evolved state. Toga and Leele explore the thermal power plant, and they encounter Zeravire along the way. Toga protects Leele by fighting the Zeravire alone. Eiji and Luna arrive in time to help, while Mizuki and Thoria arrive to help as well. The Gran Divas combine into Gravion, but Toga cannot withstand the Elgo Mode, due to a lack of oxygen. Leele then aids Toga, in his cockpit, to perform the Super Heavyweight Slash technique to defeat the Zeravire. Back at Sandman's castle, Toga is put to bed-rest, while the rest of the crew gathers around him to encourage him to get better.