Secret Origin: In their childhood years, Ami and Yumi arrive at Camp Youwannasushi and are met by Atchan, who tells them about Rumaki the bunk monster. Yumi is grabbed by Rumaki and Ami and Atchan go under the bed to save her. They manage to save Yumi, but she does not believe them because she was in the sack for the whole episode. The Legend of Mei Pie: Yumi needs a new guitar and must accomplish certain tasks to get one. So she meets Master Mei Pie, who sends her to get some items. She collects all the items, but realizes that she was not focusing on her playing. Under the Hood: The tour bus is acting erratically and Ami and Yumi go inside to find out what is wrong. They find out that the man who sold them the bus had moved into its carburettor. The girls get him out and the bus is fine.

Movie Madness: Yumi is chosen to be a movie star, but Ami has to be her stunt double. Stop the Presses: Ami and Yumi have to stop other people seeing an embarrassing photo of Ami in the newspaper. Hired Help: Ami asks Wall to help out with the band, but he is not good at it.

Puffy B.C.: In prehistoric times, Primitive Ami and Primitive Yumi create their own music, and Primitive Kaz tries to get the two to join together and form a band. Dupli-Cats: Jeng Keng and Tekirai clone themselves to get rid of Domo after failing the first time. Agent Y: Yumi is mistaken for a secret agent and must handle the real Agent Y's job.

Junior Tapeworm: While focusing on Puffy AmiYumi, Harmony is disturbed by a member of the Junior Tapeworms and she soon becomes a member and is always getting a badge for every achievement she does.

The Golden Fleas (1&2): When their instruments break, Ami and Yumi go on a quest for golden fleas. They need to find them before the concert is canceled. Sitcomi-Yumi: The girls and Kaz try out for a sitcom, hoping for good reviews but, continuous bad reviews. The real Ami and Yumi make an appearance in the last scene.

Spree!: Ami and Yumi win 1 million Yen. They have to think of a way to spend it all in only 6 minutes. Granny: The girls need to find a way to hide their rock-star lives from Ami's grandmother incase she suffers a heart attack.

Motor Psycho Mamas: A gang of bikers attacks a city. The girls must stop them before they take it over. Oldie AmiYumi: Ami, Yumi and Kaz are too old to be rocking and need to find other enjoyable things to do. Trouble With Mimes: Ami, Yumi and Kaz have trouble with a mime named Si. And need a way to get rid of him.

Jungle Prom: The girls go to a prom in the jungle, but are in danger of missing it. Truth or Dare: The girls play a game of Truth or Dare. Sumo Kaz: With the help of the girls, Kaz trains to become a sumo wrestler and has his first match.

Tooth Decay: When Yumi accidentally injures the tooth fairy, she and Ami become tooth fairies for one night. But soon they meet a little boy who would do anything to keep his tooth. Gridiron Maidens: Ami joins Kaz's football team, not knowing that this is a dangerous sport. Kaz tells the security guard not to let Yumi in, because he does not want her to stop Amy playing. Yumi dresses like a cheerleader and gets in. Seeing that Ami doesn't have a chance against the other players, Yumi helps her without Ami realising it. Sound Off: The show is spoiled because the animators fall asleep. Yumi has Kaz's voice, Ami has Yumi's voice and Kaz has animal voices.

Small Stuff: When Ami and Yumi shrink in the drier to mouse size, they need to find a way to get back to normal size while being chased by their own cats.

Evil AmiYumi: When Yumi is struck by lightning, she is sent to an alternate universe where everyone is evil. Meanwhile, Yumi's evil counterpart is put in Yumi's place and wreaks havoc.

Disco Capers: The group travel backwards through time into the year 1977. Yumi wants to stay because she likes it so much. Can Ami and Kaz get her to go back to the year 2006? House Unkeeping: In order to become rock legends, Ami and Yumi must make a hotel room a massive mess. But a maid is going to make it almost impossible for them for them. Number, Please: Ami wants to enter a radio contest but loses her phone privileges and has problems submitting her answer.

Julie AmiYumi: Julie (Lara Jill Miller) comes for a visit. She does nice things to Yumi, but mean things to Ami(Such as calling her Arthur and pretending she doesn't exist). When they go to their concert, Julie is not treated as a star. When the concert is over, she goes to a dark alley and plots revenge. It's Alive!: Evil scientist Ami and her assistant Yumi create the perfect manager, "KAZ". When Harmony, their Number 1 villager, gets into their castle, the monster escapes and gets into Harmony's house. When he leaves again, he pushes over a table with candles on it, causing the house to burn down. Harmony gets angry and organizes a mob of villagers to storm the castle. Meanwhile Ami and Yumi are making another monster. They hear the door-bell and, when they open the door, Harmony and two other villagers run into the castle and start to destroy it. Suddenly Kaz comes back and Yumi finds out that he had only been behaving strangely because he could not see. She gives him glasses and then he convinces the villagers that they are not mad scientists, but musicians. To thank Kaz, they make a wife for him. This is the series finale.