S3, E21: 321A: When Ryder and the Pups help Carlos build a treehouse to watch some baby snakes hatch, Matea the parrot has fun mimicking the pups as they bark out their pup pack tools. But when the parrot repeats one of Rocky's commands it causes the treehouse to slip, endangering the hatchlings. Rocky can't undo the command because he's lost his voice! Now Ryder and the pups must figure out a way to get Matea to imitate Rocky saying the correct command and save the baby snakes! 321B: It’s the night of Magical Mer-Moon, and Capt’n Turbot and Francois race out in their diving bell to capture images of the fabled Merpups! But when a sea slug decides their diving bell is a great place for a nap, it’s the Merpups who send for help, turning Marshall into a Merpup! Ryder and the Paw Patrol dive into action to save the Cap’n and Francois, and get Marshall back to dry land before he turns back into a pup!