Watch Cats & Dogs 3: Paws Unite (2020) HD Full Movie Free on solarmovie.do. Watch Cats & Dogs 3: Paws Unite (2020) online free. Gwen the Cat and Roger the Dog are secret agents who covertly protect and save the world without hum...Gwen the Cat and Roger the Dog are secret agents who covertly protect and save the world without humans ever finding out. Their partnership is due to the Great Truce, which has stopped dog and cat hostility for a decade.