The "Rocky Series" is a collection of sports drama films centered around the character Rocky Balboa, a struggling boxer from Philadelphia. The first film, released in 1976, follows Rocky's journey as he gets a chance to fight the heavyweight champion, Apollo Creed. The series explores themes of perseverance, determination, and the underdog spirit. Over the years, the franchise expanded to include several sequels, with notable entries like Rocky II, Rocky III, and Rocky IV. In addition, the series led to the spin-off films, Creed and Creed II, which focus on the son of Apollo Creed, Adonis Creed, and his relationship with Rocky.