"George would get really upset if you don’t show diligence into the characters."
The father-of-three also went on to reveal that little Charlotte loves Peppa Pig.
However George, Charlotte and Prince Louis are believed to spend a limited time in front of the screen, with mum Kate being a huge advocate for getting children outdoors to improve their development.
Back In July, Kate - who is supporting the UK campaign, Backyard Nature, to encourage children to connect with the outdoors - said “nature can play a pivotal role in helping children grow up to become happy, healthy adults”.
WATCH: Princess Charlotte throws tantrum at end of royal visit