Sonic X is an anime series based on the popular Sonic the Hedgehog video game franchise. It follows Sonic, Tails, Knuckles, and other familiar characters as they are transported to Earth and must navigate their new surroundings while battling the evil Dr. Eggman. The series combines action, adventure, and humor, appealing to both fans of the games and new audiences. It explores themes of friendship and teamwork as Sonic and his allies work to save the world.