Underdog is an American animated television series that debuted October 3, 1964, on the NBC network under the primary sponsorship of General Mills, and continued in syndication until 1973, for a run of 124 episodes.
Underdog, Shoeshine Boy's heroic alter-ego, appeared whenever love interest Sweet Polly Purebred was being victimized by such villains as Simon Bar Sinister or Riff Raff. Underdog nearly always speaks in rhyme, as in, "There's no need to fear, Underdog is here!" His voice was supplied by Wally Cox.
Boris "Kos" Kosinski (Eryk Lubos) is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev (Mamed Khalidov), he makes a mistake that destroys his entire career. He loses everything. This failure brings him through a series of ups and downs, but it also pushes him to undertake a titanic effort to fight and win back respect and love
Tells the story of three bottom-dog boxers who gets used as punching bags. Pro boxer Suenaga Akira (Moriyama Mirai) fell off the path to greatness but still tries to crawl his way to the top. Omura Ryuta (Kitamura Takumi) is a youngster who grew up in foster care. Miyagi Shun (Katsuji Ryo), a TV celebrity with famous parents, takes a shot at boxing as part of a TV show. Three underdogs with very different back stories put their pride on the line as they exchange blows.
Speed of lightning, roar of thunder … It's Underdog! Two episodes ("The Wicked Witch of Pickyoon" and "The Silver Thieves") from the classic animated series find our canine hero facing enemies a bit different from his archnemesis, Simon Bar-Sinister. First, Underdog faces a witch who captures Sweet Polly after her plane crashes in the forest. Then, he foils a robbery by some phantom burglars and discovers their shocking secret.