Pipsqueaks
Episode 1
S1 E1:
When Poppy brings a bunch of flowers into the playground Peppy makes a blast from his nose and the Pips don't understand what's happening. They learn lots about noses and smell. When the Pipsqueaks try to copy a bird's whistle they discover it's not so easy. Thanks to the kids they learn there's other ways to make music with your mouth.