"Baby Elephant Walk" Yes that's really the answer.
Of course she did, in the episode: 'Whistling'
The Whistling Forest Pixie teaches Kai-Lan to whistle in the 'Ni Hao Kai-Lan' season 3 episode 'Whistling in the Wind'.
Season 1, Episode 18, The One With All The Poker.
I believe she would learn how to do it in the season 20 episode: 'Whistling In the Wind'.
Season Ten|Episode Two Seashell Seahorse Party
Of course she did, in the episode: 'Whistling'
They were only in a annoying orange episode so they arn't real. The normal pinwheels do exist but whistling pinwheels are made up.
If you mean the "Who's That Pokemon" silhouette from the very first episode, it's pikachu! Everyone knows Pikachu of course!
The Whistling Forest Pixie teaches Kai-Lan to whistle in the 'Ni Hao Kai-Lan' season 3 episode 'Whistling in the Wind'.
The episode of The Office where Michael imitates The Devil Wears Prada is titled "Threat Level Midnight." In this Season 7 episode, Michael screens his homemade action movie featuring a character named "Michael Scarn," and the film includes comedic references to various pop culture elements, including a nod to The Devil Wears Prada.
Episode 1, Of Course It Is The Beginning
alphabet road with chinese bellflower's sweet smell
Season 1, Episode 18, The One With All The Poker.
The end of episode 50 and the beginning of 51.
Zara
I believe she would learn how to do it in the season 20 episode: 'Whistling In the Wind'.
I'm guessing the first episode, because everyone start from Episode 1.