Check out the cast and crew of Swashbuckle doing their version of Pharrell Williams -- Happy!
Join in with other CBeebies Grown-ups as they chat on Facebook / cbeebies or Twitter / cbeebieshq
Visit CBeebies at www.bbc.co.uk/cbeebies to find even more fun games and videos for your pre-schooler in a safe child friendly environment.
CBeebies is dedicated to delighting and surprising its pre-school audience and it remains the UK's most watched and most loved channel for the under-sixes. Just under half of the target audience tune in every week (parents and carers with children aged 0-3 and 4-to 6-year-olds in digital homes) and our reach is over double that of our nearest competitor.
Visit us at www.bbc.co.uk/cbeebies