Peppa Pig | This clip will stop being funny when pigs fly.  Drop in with your kids for Peppa Pig on Nick Jr. Pluto TV (CH 975):... | By Pluto TV | I'm learning to whistle but I can't do it yet. Hmm that sounds hard. It's impossible. Uh can you whistle Susie? No. Oh good. I mean that's sad if you can't whistle. But good because I can't whistle. What's whistling anyway? You put your lips together and blow. Like this. Hello.