Gurren Lagann Episode 2:
While being chased on the surface by two gunmen, Simon is afraid and tries to dig his way back to Giha Village. Kamina jumps out and faces the gunmen head on with only his sword but is saved from being crushed by Simon in Lagann who carries all three away, running. Kamina scolds Simon for running away from a fight. Simon, heavy with fear and doubt, apparently causes Lagann to suddenly power down uncontrollably and the trio are left helpless. Thankfully, they are saved by gun fire from the members of Littner Village, Yoko's village led by its friendly leader Dayakka. After one of the gunmen is destroyed, a furry humanoid creature jumps out that retreats with the help of the remaining gunman.
Yoko explains that beings called "Beastmen" are what pilot the gunmen that the members of Littner Village have been fighting all their lives. Beastmen (in gunmen) arrive every sunrise to attack the humans on the surface but always retreat before sundown for unknown reasons. Littner Village used to be an underground village like Simon and Kamina's but its inhabitants were forced above ground and now they have to fight on the surface to survive.
That evening, Kamina thanks Simon for rescuing him earlier as they gaze up at the night sky they've never seen before. Leeron, the flamboyantly gay engineer of Littner Village, appears and takes great interest in Lagann. He also teases Kamina by pretending to seduce him to hilarious effect. Leeron explains that some records show that people used to live on the surface hundreds of years ago while other records show they never had. It's a mystery. While gazing longingly at Yoko, Simon's Core Drill suddenly glows again which allows Lagann to power up. Yoko asks Simon to use Lagann to carry the remains of the broken gunman back to Littner for scrap. Along the way they find the bones of a human killed by beastmen which they bury but Kamina stubbornly thinks it's a waste of time to bury the dead of people who can't survive on the surface.
That night, Kamina has a dream where he remembers going to the surface with his father but being too afraid to stay with him. He watches his father, who wears a skull laden bracelet and long cape, walk off leaving him behind. They are jolted awake the next morning by the sound of gunmen landing nearby. It's the same two from yesterday but now joined by a new, much tougher red gunmen. It seems the gunmen are propelled from far away and land near the village, causing the tremors. Simon, who is again unable to start Lagann up due to his fear, realizes that the earthquakes that killed his parents were caused by the gunmen's tremors on the surface. This sends Simon into a rage and Lagann powers up.
Kamina notices the red gunman, who's face he likes, and decides that he's going to hijack it for himself. With Simon's help, they force the beastman out and Kamina climbs into the cockpit. However, he can't seem to make the gunman work. The other two gunman attack and knock Kamina down where he lands on another human skull. Seeing the skull has a strange effect on Kamina who then concentrates and forces his "fighting spirit" to build until finally he can power and control the gunman. He saves Simon then grabs Lagann and throws it at the other gunman in a move he calls the "combustion of manly souls cannonball attack"! The drill on Lagann destroys the two gunmen and the only remaining beastman runs away in fear. With the battle won, Kamina decides to name his gunman "Gurren".
Later that night, Kamina finds the skull that he saw and decides to bury it, apologizing for landing on it. As he starts to dig, he notices the skeleton is wearing a cape and bracelet. He realizes this is the corpse of his long dead father, and breaks down and cries.