Class is officially in session after the wise D.O.G. recruits a new group of canine classmates. Elsewhere, young human Morgan learns about the academy.

When the pups share stories about their owners, Spark struggles with her shortcomings. But can she fake it to impress her professors and classmates?

Morgan's schedule gets messy when he's asked to support the academy and his own school duties. Also, the pups take a pop quiz. Let the chaos begin!

Corazon lands in an im-paws-ible situation when he tells a lie to impress his crush, Pom Pom. Will he come clean before the Pup Academy talent show?

It's a ruff day for Corazon when a surprise guest follows in his footsteps and challenges the rules. Meanwhile, Morgan tries some new gadgets.

A new day dawns on Wolfehead as Spark encounters King. At the academy, the pups learn about baby talk ... and try to understand why humans love it.

As Izzy grows suspicious of Corazon's daily routine, Charlie takes D.O.G. out for the day — and leaves Morgan with a long list of responsibilities.

Ready for a purr-fect rivalry? Whiz, Corazon, Spark and the rest of the pups learn how to coexist with nature's enemies: cats.