Transcript for Prince George, Princess Charlotte Make Royal Appearance in Canada
Now to the royal road trip. Will, Kate, Charlotte, and George, closing out their time in Canada. Lama Hasan has been there them every step of the way. Reporter: Arriving hand in hand with mum and dad, prince George and princess Charlotte arrive on the run. Took the lead taking her first steps for the cameras. Straight to the balloons. She giggled. Saying pop. And later, calling William Dada, her first words in public. We can see how much she's grown. Reporter: The prince prized the petting zoo and rode a pony. Whoa. How is that? His sister bounced on moose. A therapy dog. You can see the bond between George and Charlotte developing. Reporter: They're like partners in crime. 3-year-old George all boy, more interested in a bubble gun. Giggling as they popped in midair. ? mother and daughter had a ball dancing to "La Bamba" and making animal balloons. He ran over saying, but I want one. Can I have one? They spent quality family time. The garden party belonged to these two. And images that will melt everyone's heart. And it is so rare to see the Cambridges as family of four. So savor every moment, folks. As for the royal road trip they pick up again today with William and Kate heading to islands famous for bear watching and fishing. George? Thank you, lama. She's having a good time. She is. The kids are so cute. More 30 on 30 deals coming
This transcript has been automatically generated and may not be 100% accurate.