The Pink Panther is a popular and iconic animated television series from Metro-Goldwyn-Mayer (MGM) which ran from 1969 to 1970. Co-created by Friz Freleng and David H. DePatie, the series stemmed from the positive reception and immense popularity of the comedic Pink Panther character, who was originally created for the introductory credits of a live-action film with the same name in 1963, starring actor Peter Sellers.

The Pink Panther is the star of the show. He is a witty and silent feline whose boundless charm and mischievous antics are central to the plot of each episode. The overall depiction of the character is that of an urbane, good-humored and ever-resilient figure. Moreover, the character’s universal appeal is largely credited to its smartly drafted silence; the character seldom speaks, which essentially made the series transcend boundaries of language, and loved by an international audience.

Each episode revolves around the Pink Panther getting into comedic situations and mishaps. The storylines feature the Pink Panther dealing with different situations and characters that include various humans, insects, and other animals. Each brings a new set of problems that he must troubleshoot and resolve, usually while also dealing with the chaotic antics of other characters.

The sly humor and slapstick comedy pervading the series make it very entertaining for the viewers. Despite the lack of dialogues for the most part, the impeccable visualization, exaggerated physical humor, and creative art-style captivate viewers' fascination to an extent that they don’t actually feel the necessity of any verbal conversation. Moreover, the beautiful blend of fantasy narratives and the Pink Panther's own quintessential stylishness and cheerful mocking humor make the cartoons a delightful watch not only for children but for adults as well.

The animation style of The Pink Panther series is very distinctive. The aesthetic is influenced by the mid-20th-century modern design movement, with the Pink Panther character personifying the 'cool' charisma of the 1960s “mod” culture. The eternally stylish, and chromatically clashing environments bring an inescapable charm to the series, making it vibrant, lively and visually striking. Intriguingly, despite being a pink panther in a human world, the character doesn't seem out of place, which is a testament to the creators' skill in crafting such a unique and everlasting character.

Adding depth to this animated comedy series is Henry Mancini’s melodically playful, jazzy and subtly sophisticated music score that has since become synonymous with the character. The theme music has gained a lot of popularity over time and has contributed greatly towards the recognition of the show and its character around the world. The animation has been perfectly choreographed around this music, giving it a whimsical rhythm that enhances the overall experience.

Another notable animate part of the Pink Panther series is the character, "The Inspector". Although not featured in every episode, the character counterbalances the Pink Panther with his clumsy investigative endeavors, often adding an extra layer of humor.

The Pink Panther series, with its unique no-dialogue technique, has been an important landmark in the history of animated television series, influencing many subsequent shows. The series had a remarkable ability to engage audiences using minimal dialogues, relying instead on humor originating from physical actions, situations, and character personality traits.

While the series spanned only from 1969 to 1970, yet its impact was immense and undeniable. The series' success resulted in numerous television specials and spin-offs, and the character continues to be loved and recognized globally. In the world of animation, The Pink Panther holds a most revered spot, not only for the laughter and joy it brought to millions of viewers but also for its pioneering approach to animation, character design, comedic storytelling, and music.

In conclusion, The Pink Panther from MGM's 1969-1970 run was a colorful, comedic, and highly entertaining series that showcased the misadventures of a charming, silent, pink-hued cartoon panther. Its unique, visually striking aesthetic, combined with the character's witty charm, smart humor, and memorable theme music have ensured its lasting legacy in the world of animation.