Stitch!

Yuna is upset when her classmate Piko draws a bad picture of her. After trying to make her smile and failing, Stitch tries to cheer her up by drawing pictures of her smiling, but does so all over the house. She demands he cleans it but he instead runs off to the beach where he unknowingly picks up the magical tail brush of Muun, who lost his brush as he swung it round saying he had lost his desire to draw. Stitch being angry about Yuna draws a picture of himself in the sand and is shocked when it comes to life! The giant Stitch drawing then goes on a rampage, and even against Stitch's best efforts, it manages to grab Yuna. Muun appears and tells Stitch to draw the smiling Yuna again using his brush, who when made soothes the Stitch drawing and saves the real Yuna. Finally, Muun gets his inspiration back for painting.

Yuna and Stitch decide to make a wind-chime for Obaa's birthday. Stitch then gets a letter from Angel telling him she's coming to the island. As Yuna tries to sort out their present, Stitch reunites with Angel, even showing her the spiritual stone. Yuna continues to try to get Stitch and Angel involved with Obaa's present, asking them to help her design it, but Yuna is soon left to make it herself. But after Angel sings to Stitch with a sick/croaky voice, Stitch reverts back to being bad. He starts to cause all sorts of chaos around the town. He eventually goes too far by breaking the wind-chime Yuna made for Obaa, which Yuna then blames on Angel, upsetting Angel so she leaves. After Jumba finally gets Stitch back to normal, Stitch and Yuna start to worry after Obaa gives Stitch a note from Angel that reads "Goodbye" After failing to find her, they head home sorrowfully when Kijimuna reveals he found her and is taking care of her. After getting better, Angel finally helps make Obaa's present. Angel then leaves on a cruise ship, waving goodbye to Yuna and Stitch.

Stitch accidentally hatches a baby bird who thinks Stitch is its mother.

Yuna wanted to take a picture of Stitch using her grandma's camera, but it is out of film. So, she take Jumba's camera to take a picture of Stitch. Tarou sees all the pictures of Stitch, but he sees that Stitch is blinking animatedly in the picture. Then, many copies of Stitch came out and invade Izayoi. They stole cameras and making camera stew, saying "Camera!" many times. So Stitch has to put down many copies of him.

Stitch is scolded by Yuna for making a mess. Rather than clear it up himself, he borrows a transmitter and calls in Felix to help.

A yōkai named Warracchi starts playing harmless and amusing pranks on the island's inhabitants. Seeing how happy the jokes seem to make everyone happy, Stitch soon begins playing pranks of his own, but they quickly get out of hand.

Yuna has a class visit to the pineapple factory. Yuna was late because Jumba invented a good deed memory to let Yuna type her diaries. But Stitch looked at the pineapples, he was coming to invade the factory. Then, a blue slug (which is one of the Izayoi spirits) attacked the pineapple factory. Jumba invents an electric gun to shoot the blue slug.

Yuna gets sick on the day of a festival and Stitch goes with Angel instead. Stitch meets a yōkai named Dolores who promises to make fireworks for Yuna in exchange for her own things.

Christmas is coming to the island. Hamsterviel has a plan to hypnotize all the kids of the island to do his bidding by eating evil cookies. Jumba comes up with a plan to reverse the attack. After Yuna and Stitch stop him they don't think there's gonna be a Christmas. When Santa comes he gets Stitch to help him send the presents around the island.

Yuna's student Taro doesn't like eating healthy food to win the black belt competition and when Reuben comes he makes riceballs with secret food in it so Taro can win.

Yuna and Stitch meet a Feebema named Damacchi who doesn't fit in with other Damacchis. They soon realize the reason he doesn't belong is because he's a meteor shower.

When a student at Yuna's dojo wishes his father wasn't so strict, a yōkai named Himamushi makes it come true. Yuna and Stitch try to convince Himamushi to change him back to normal.

Piko shows off her book of her fan, Kid Cop. So Yuna and Piko pull Piko's book and Stitch tears up into half. Meanwhile in Yuna's dojo, directors and producers came, and picked Stitch to become an actor.

Yuna, Taro and Stitch enter a singing competition but Stitch realizes he can't sing. Taro really wants to win so he can get a trip to the hot springs for his dad, so Pleakley gave him lessons.

While the postman is sick, Yuna and Stitch deliver a dropped letter to a woman named Mrs. Tanaka. Meanwhile, Jumba and Pleakley find a letter for Yuna.