Human vs Hamster

Teachers and nurses pit their skills against some mighty hamsters as they scale a building, push their bodyweights up a track, squeeze into a bottle and play a giant game of bowling.

Trivia Kings challenge the Volunteer Queens and take on a new group of hamsters: Astro, Lightning and Romeo. Plus, Kevin returns and three brand new challenges are revealed: Blast Off, High

Weekend Warriors and Theater Kids unite against three new hamsters -- Ham, Diamond and Gnasher -- on challenges sized for each species. Challenges Locked Out, High Seas and

Lawyers and Wrestlers team up to fight against the hamsters. Siblings Astro and Lightning and bad boy Gnasher return along with a new competitor, The Professor. They go toe to paw in

Facing off against firefighters from Rhode Island and New Jersey, the Ham-stars look to snuff out the competition in an a-maze-ing new challenge.

Dancers and Magicians take center stage in another new feat before Lightning attempts to steal the spotlight in Escape the Cage.

Flight Attendants and Tooth Fairies try to take a bite out of the competition in a new challenge that tests an essential hamster skill: tunneling.

In this holiday showdown, the Caroling Elves and Christmas Candy Clerks hope to prove species superiority once and for all.