When Reggie is abandoned on the mean city streets by his lowlife owner, Doug, Reggie is certain that his beloved owner would never leave him on purpose. But once Reggie…

When an ancient power is unleashed, Aquaman must forge an uneasy alliance with an unlikely ally to protect Atlantis, and the world, from irreversible devastation.

Ryder and the pups are called to Adventure City to stop Mayor Humdinger from turning the bustling metropolis into a state of chaos.