In a kaiju-infested Japan, Hibino Kafka works in monster extermination. When he reunites with his childhood friend Ashiro Mina, a rising star of the Japan Defense Corps, he decides to pursue his once-abandoned dream of joining the Corps once again... But suddenly he transforms into the powerful "Kaiju No. 8". With the help of his younger colleague Ichikawa Reno, Kafka tries to keep his identity a secret as he continues to work towards his lifelong goal: to pass the Defense Corps selection process and fight alongside Mina. But when a mysterious intelligent Kaiju attacks a Defense Corps base, Kafka finds himself faced with a crucial choice in a desperate situation ...
The recap film Kaiju No. 8: Mission Recon offers an action-packed summary of the first season as well as a new original episode: "Hoshina's Day Off".
(Hoshina's Day Off) A day off... a rare respite for the Defense Corps. After countless hours of training, Reno doesn't know what to do with his time off. When he realizes that Hoshina is spending his day off in a mysterious way, he decides to pursue him together with Iharu on a secret mission! But then everything takes an unexpected turn ...
Kaiju No. 8 is based on the original manga by Naoya Matsumoto. The animation is by Production I.G (GHOST IN THE SHELL), while the kaiju design is being created under the supervision of Studio Khara (Evangelion: New Theatrical Edition, Shin Godzilla Pre Visualization Development).