Gridman Alliance is a Japanese anime series that serves as a sequel to the 2018 show SSSS.Gridman. It follows a group of high school students who team up with a digital hero named Gridman to combat monstrous threats that emerge from a mysterious world. The series blends action, adventure, and elements of science fiction. The story focuses on the characters' growth and their relationships as they face challenges together. Each episode features intense battles against kaiju, or giant monsters, while exploring themes of friendship and courage. The series is known for its vibrant animation and engaging plot.