Yakkity still loves Sharing Bear - the children's TV presenter, but Keo and Lemony think he is for babies.

Professor Crazyhair gives Lemony a high grade for her science project, but Keo believes that flattery had a lot to do with it.

When Granny Yak moves to a nursing home, Yakkity moves in with her.

A robber is stealing from homes by blowing bubblegum bubbles and floating up to upstairs windows. Trilo is suspected, but is he really the Bubblegum Bandit?

Yakkity decides to add a ventriloquism dummy to his comedy act but it only becomes a hit when a nasty worm inhabits the puppet and starts doing the talking.

In order to keep from losing his position as one of Mr. Trilo's clients, Yakkity promises the agent that he can organize a huge entertainment event called Yakstravaganza. And to pull it all off Yakkity seeks the help of former entertainment legend Keo's Dad.

Yakkity becomes a bike-riding ice cream salesman. But he starts eating all the merchandise (which counts as stealing) in order to get free stuff.

Keo and Yakkity find work in a video shop. Yakkity recommends all of Jackie Pachyderm's funny films, except for A-Pach-Alypse Now.

Granny Yak is having surgery done on her antlers and Keo has Pineapple Pox, so Yakkity has a sleepover at Lemony's place. There he discovers some embarrassing secrets about Lemony's brother Rondo. When he reveals all at school, Yakkity unintentionally assumes the position of the school bully. This soon causes everything to be out of whack.

Things go wild in Onion Falls after Yakkity receives the Jackie Pachyderm Practical Joke box, but someone else knows a few good practical jokes.

Yakkity and Keo leave school to be taught by Keo's father.

Yakkity keeps putting off study for a biology test due the next day. However, an educational animation video featuring Alan Amoeba helps teach Yakkity about cellular replication.

Yakkity and Keo come up with their very own sport and name it Yakeo which becomes popular with everyone except football jock Rondo.