Underdog was created by W. Watts Biggers along with co-creators Chet Stover and Joe Harris for a television series.
The Underdog animated television series premiered, introducing the character to audiences as a superhero dog.
Underdog was featured in a comic book series, expanding his presence beyond television and providing fans with additional stories.
The original Underdog television series ended its run, finishing its initial broadcast life.
Underdog appeared in the special television program promoting drug awareness, reintroducing the character to a new generation.
A live-action feature film adaptation of Underdog was released in theaters, bringing the character into a new medium and audience.
Shoeshine Boy is gifted a super serum, transforming him into Underdog, a superhero with incredible abilities.
Underdog reveals his superpowers to the public for the first time by saving the city from a major disaster.
Underdog faces his arch-nemesis Simon Bar Sinister, thwarting his plan to dominate the city with robots.
Underdog rescues his love interest Polly Purebred from a dangerous kidnapping orchestrated by villains.
Shoeshine Boy establishes his secret identity as Underdog to protect his loved ones from enemies.
Underdog attends a gathering of superheroes to discuss strategies against emerging global threats.
Underdog prevents the destruction of Capitol City after an earthquake caused by Simon Bar Sinister's inventions.