The Stray Dogs are minor characters in the animated movie, Tom and Jerry: The Movie. They briefly appear, in Heroes vs. Villains War.
Heroes Vs Villains War
During the animals escape from the A.C.S. Sector, a group of stray dogs are seen, as the run into Applecheek, taking him by surprise, knocking him off, for the time being. They do not reappear for the rest of the war.