In an alternate universe where the 10th Doctor never regenerated into the 11th Doctor and stayed with Rose Tyler, interesting things happened. As the Doctor's romantic relationship with Rose blossomed, they adopted a new companion. Another Time Lord. Only, he's a talking German Shepherd. They name him Doctor Woof. Soon, the Canine Doctor is given a task to tell DC's greatest heroes of potential threats. After befriending the Justice League's young superheroes, the Canine Doctor now has a new mission. To save Wally West, the Kid Flash! From the author of Richard Grayson, the Spider-Man & Barbara Gordon, the Black Cat.