Kaeloo tries to tell her friends a bedtime story.
"Let's Play Once Upon a Time" contains the following tropes:
- Deliberately Cute Child: How Stumpy, Quack Quack, and Mr. Cat convince Kaeloo to make up a bedtime story from scratch and tell it to them.
- Fractured Fairytale: Stumpy's version of Little Red Riding Hood.
- Take That, Audience!: Stumpy suggests making a kids' show about a frog who transforms into a giant monster when she's angry. Mr. Cat's response?Mr. Cat: Who in their right mind would watch crap like that?
- Who Would Want to Watch Us?: When Stumpy suggests a show about a frog who transforms when angered, Mr. Cat does not seem to like the idea.