Kaeloo learns that Stumpy hasn't celebrated his birthday since he was five and gives him a "multibirthday" to make up for all the lost birthdays.
"Let's Play Multibirthday" contains the following tropes:
- Anywhere but Their Lips: Kaeloo kisses Mr. Cat on the cheek.
- Birthday Episode
- Jail Bait Wait: Stumpy is magically turned into an adult and realizes that he will have to wait several more years until Ursula becomes old enough for their relationship to be legal again.
- Mood Whiplash: When Stumpy is about to leave Smileyland, Mr. Cat appears to be proud of him for becoming an adult and living his own life. Then, Kaeloo tells Mr. Cat that she wants Stumpy to not leave, at which point Mr. Cat takes extreme measures to force him to stay in Smileyland so Kaeloo can be happy.
- Rapid Aging: Everyone overdoes it with the birthday parties and Stumpy is magically turned into an adult.
- Sand In My Eyes: Olaf breaks down crying and tells everyone that it's because he has conjunctivitis.
- Wham Episode: Stumpy only behaves like he's five - he's actually ten years old, which means he's close in age to Kaeloo and Mr. Cat.
