Lulu and the Brontosaurus

It's Lulu's birthday and she's decided she'd like a pet brontosaurus as a present. When Lulu's parents tell her that's not possible, Lulu gets very upset. She does not like it when things don't go her way. So she takes matters into her own hands and storms off into the forest to find herself a new pet, all the way singing:

I'm gonna, I'm gonna, I'm gonna, gonna, get
a bronto-bronto-bronto-bronto-saurus for a pet!

In the forest Lulu encounters a number of animals; a snake, a tiger, a bear, a...