"Hanna-Barbera's 'Super Friends'" is an animated television series that first aired in 1973. The show features a team of popular superheroes from DC Comics, including Superman, Batman, Wonder Woman, and Aquaman. They work together to fight villains and protect the world, often tackling themes of friendship, teamwork, and justice. The series was known for its family-friendly content and aimed at younger audiences. Over the years, it underwent several changes, including new characters and storylines, leading to various spin-offs and adaptations. 'Super Friends' remains a significant part of superhero animation history and introduced many viewers to the Justice League.