Full Metal Panic!

A secret admirer leaves a love letter in Sousukes shoe locker. Instead of finding the letter, he deduces that his locker was tampered with and promptly blows it up. From its fragments, Sousuke misinterprets the letter as a death threat and confronts his "stalker". Sousuke forgets Kanames notes at home, and they make a frantic dash to retrieve them and return before lunchtime ends. Despite their tardiness, they find out that the notes were not needed since their teacher coincidentally fell sick.

During a field trip to the park, the class selects Sousuke to be the model for their art project. However, Sousuke misinterprets the modeling advice he receives from their art teacher, turning the assignment with his classmates into a game of life-and-death. Kaname goes on a date with a former classmate to an amusement park while Sousuke and Kyoko follow her. Sousuke seems relieved that shes simply on a date until a drunken yakuza group threatens Kaname. Not wanting to reveal that he was following her, Sousuke comes to the rescue disguised as the amusement park mascot.

Sousuke and Kaname investigate bizarre incidents where a masked predator attacks schoolgirls and gives them ponytails. With the help of a local policewoman, they set up a trap to catch the attacker using Kaname as bait. To teach a stoic Sousuke the meaning of fear, Kaname takes him into a haunted hospital, but she becomes more scared than Sousuke. They learn that the haunted hospital rumor was perpetuated by the mother and son living there who wanted peace and quiet.

During a lull at the Mithril base after the events of the first seasons final few episodes, Tessa decides to spend the time as an exchange student at Jindai High to learn more about school life. Sousuke, however, finds the stress of guarding her overbearing and collapses from fatigue.

Sousuke and Kaname discover that Ren Mikihara is a yakuza daughter whose members ask for their help to deal with a rival gang. Sousuke, in his mascot disguise, trains the yakuza members. When the rival gang kidnaps Kaname and Ren, Sousuke and his recruits rescue them wearing the special mascot AS. The episode was dedicated to Kinji Fukasaku, director of Battles Without Honor and Humanity, who had died earlier that year.

Sousuke orders a new scope for his pistol, but receives a strange bottle instead. Unfortunately, the contents are a biological weapon. Even worse, the bottle is opened up in the school!

Mithril and the SRT rescue refugees caught in a civil war in the African country of Balic. However, during the fighting, they discover that the enemy possesses advanced weaponry rivaling their own. They surmise that a highly funded, well-equipped organization may be supplying their enemies.

In Nanjing, Amalgam kidnaps peace delegations from Northern and Southern China and fortify themselves in an underground tunnel beneath the Yangtze River. Mithril attempts a rescue in the tunnels dangerous confines, but falls into Amalgams trap.

The SRT travels to Sicily to capture the traitor from the Nanjing operation. Sousuke has difficulties balancing work and school when he tries to have a phone conversation with Kaname and to drive a getaway vehicle at the same time. A mysterious AS also appears to help the team get away. Seeing the stress of his everyday duties, Mao decides to ask Sousuke about his own plans for the future.

Sousuke argues with his replacement, Agent Wraith, about the mission to protect Kaname. Kaname wonders why Sousuke has not been attending classes in days and starts to become worried. When she needs to see him after a chance encounter with Amalgam agent Xia Yu Lan, she finds his apartment vacant and he has disappeared.

Kaname confronts Agent Wraith about Sousukes departure, but as she is about to get answers, Xia Yu Lan ambushes the two. Kaname outwits her pursuer until Leonard Testarossa, another Amalgam agent who is also Tessas brother, shows up and kills Xia Yu Lan. He reveals that the assassin was a rogue agent acting outside of Amalgams interests.

Sousuke continues to wander in Hong Kong and encounters a prostitute who looks very much like Kaname. Tessa is "forced" by Admiral Jerome Borda to deploy Clouseau, Melissa, and Kurz to the island after sightings of the Venom AS are confirmed.

Still demoralized by Gaurons claims of killing Kaname, Sousuke still refuses to function until Kaname finally appears to get him back on his feet. Inspired by her presence, Sousuke pilots the Arbalest again to destroy Gates and his men. Kaname returns home to Japan. Sousuke faces the Mithril command, which grants his request to stay with Kaname even if his wages are reduced.

In Tokyo, Sousuke and Kaname flee from enemy agents in a desperate attempt to rendezvous with their allies. On Merida Island, Mithril struggles to respond to a fierce and demoralizing assault by Amalgam forces.

Sousuke and Kaname work together to save Kyoko and everyone else at Jindai High, and they both reach a point where they must make difficult, fateful decisions. Tessa likewise tries to save as many of her people as possible as she abandons the island base.

While enjoying considerable success fighting in the arena for Namis team, Sousuke starts to grow accustomed to his new life in Namsac. But little things keep reminding him he came to this city with a specific purpose in mind.

Sousukes grudge against Kurama escalates into a full-blown shooting war on the streets of Namsac, but is it possible for him to fight this war all by himself? And every war has its share of casualties.

Sousuke who are attacked by amalgam. Raids also come closer to Sousuke who cannot heal wounds yet. On the other hand, Tessa who missed Fowler slightly afterward pledges Leonard and amalgam.

Leonard and Kalinin make every effort to spirit Kaname away before Sousuke can reach her. As battle erupts between rival Amalgam factions and Mithril remnants, Sousuke and Kaname both find they have to fight against fate to hold on to hope.