A ten-year-old boy named Ryder leads a team of six heroic puppies on various rescue missions to protect their community.

When their rival, Humdinger, becomes Mayor of nearby Adventure City and starts wreaking havoc, Ryder and the heroic pups kick into high gear to face the most challenging mission of their careers. Along the way, the team finds help from a new ally, the savvy dachshund Liberty, and together they fight to save the citizens of Adventure City! Can the pups save the city before it's too late? After all, no city is too big, no pup is too small!

See why Gordon gives Thomas a lesson he won't forget and how Henry comes to the rescue when disaster strikes. Find out what happens when Thomas gets a chance to pull his very own train ... with unexpected results.

Krypto the Super-Dog and Superman are inseparable best friends, sharing the same superpowers and fighting crime side by side in Metropolis. However, Krypto must master his powers for a rescue mission when Superman is kidnapped.