Ami and Yumi have to pay the rent for the bus when Kaz came up with the idea and they get a job as taffy makers at Wacky Wally's candy factory.

Kaz orders robot-type clones of Ami & Yumi, but when he orders a whole fleet of them, it's up to Ami & Yumi to stop the robot fleet before they lose their rock-star jobs!

Yumi has a run-in with her old singing teacher, the snooty, opera-loving Madame Blubbery, who uses a hypnotic whistle to force Yumi to give up rock music and sing in her newly-written opera. Can Ami and Kaz get the old Yumi back?

Ami and Yumi go to visit their friends on the Happy Acres Farm, only to find things aren't so happy: the farm is in shambles, and a greedy developer is threatening to buy the land from its kindly owner and build a parking lot. To keep this from happening, Ami and Yumi offer to help fix up the farm, but that soon proves easier said than done.

Ami & Yumi eat cheap sushi, and end up in a whacked-out undersea voyage of a hallucination.

Kaz opens a Puffy themed restaurant that the girls have to work in. The girls must get a good review on the restaurant for the sake of the Puffy name.

When Kaz accidentally flushes his glasses down the toilet, he makes life a nightmare for Ami and Yumi's cats, who take only so much before they decide to work together to get the manager's lost eyewear back.

Kaz writes a song, but Ami and Yumi don't like it, but hides those feelings not to disappoint Kaz.

Yumi is tired of Ami using her stuff without her permission, so Yumi gets a security system that attacks whoever comes into her room. But, the security system soon targets Yumi. Can she find a way to stop it?