One sleepy rainy evening, Laura and Hamtaro fall asleep while reading a book full of fairytales…and dream of a land full of castles and princesses. Bijou is a tough-girl princess who, tired of being cooped up in her castle all day, disappears disguised into the streets of her fiefdom. But she runs into troubles when an evil Sparkle orders her ninja team to get rid of Princess Bijou.
Hamtaro hears that Laura and her classmates are having an evacuation drill at school. When he tells the other Ham-Hams, they decide that it would be a great idea to practice evacuating from the Clubhouse, in case of an emergency!
Laura is preparing a very special celebration for Father’s Day! But her dad has been so busy at work these days, and he might not make it home in time to for the Father’s Day party. That’s no good! So Hamtaro and the Ham-Hams decide to make a visit to Forrest Haruna’s office and give him a hand.
The big wedding day has finally arrived! Charlotte and Mr. Yoshi are finally going to get married! But why is Mr. Yoshi pacing up and down the aisle by himself? Where is Charlotte?
Mimi’s father’s birthday is coming up very soon, but Mimi has no idea what to give him as a present. She really wants to do something special for him, so when she sees one day how emotional he gets when he hears Maria playing the piano, Mimi decides that she is going to learn to play something for him.
At Laura’s school, something strange is happening. Everyone’s shoes are disappearing! So Hamtaro becomes a private investiham, and with his magnifying glass, goes on a hunt for the culprit.
One evening, Laura’s dad is suddenly inspired by a cooking show on television. While he chaotically experiments in the kitchen, Laura and her mom stand by in apprehension of what dinner might end up tasting like. Meanwhile, the Ham-Hams meet a jovial hamster named Chef Ham.
Laura and her family have planned to go on a picnic together under the cherry blossoms. But like almost every year, her Dad is unable to come because of work. The Ham-Hams want to see the cherry blossoms too. On the way, they run into Auntie Viv, who is just back from her world travels.
Boss sees Bijou and gives her some flowers, but Hamtaro comes in and gives her a bouquet of flowers as well, and to Boss` surprise they are the exact same flowers Boss picked. Sabu notices Boss is feeling down, and tries to encourage him to keep trying to win Bijou.
When Laura says that she wished upon a star and her wish came true: that she got Hamtaro, Hamtaro is led to believe that he comes from outer space. His fears seem to be confirmed when Oxnard is apparently beamed up by a spaceship, but is there a more rational explanation for what happened?
Maria holds a birthday party and the ham-hams tag along. The ham-hams are worried that the party may be ruined when they accidentally knock down Maria's doll collection after being chased by her new puppy, Princess.
Laura’s grandpa, who loves to invent things, shows up at the doorstep on mile-high stilts. What other wonderful creation has he brought with him? Nothing less than an ingenious little hamster robot, named “Super Hamster Robo-Joe”!
Note: This episode was skipped whilst the season was being dubbed into English. This is because this episode is about Setsubun, an exclusively Japanese festival; thus it would be hard to dub.
Laura has been feeling a little down lately, so Kana decides to tell her romance fortune. Her fortune says that a pet of hers will be her cupid! Who could her winged messenger be? None other than Hamtaro! At least that’s what Hamtaro leads himself to believe.
Mr. Yoshi is finally going to propose to Charlotte! And what could be better than a sunset proposal by the sea? However, it seems that everything is against Mr. Yoshi. Boss’ nose tells him that a storm is coming to spoil the perfect proposal setting!
The weather is beautiful on New Year’s and for the occasion, many people in Laura’s town have taken to flying kites. As we might expect, the Ham-Hams want a part in the fun, too! So Panda teaches each of the other Ham-Hams how to make their own kites! But when the Ham-Hams go out to fly them, Boss gets jealous that Hamtaro’s kite is flying next to Bijou’s.
Bijou, Sandy, Pashmina, and Penelope notice that there are not many female thieves in any stories they've heard before, so they and the other Ham-Hams come up with a story that involves a trio of female thieves known as "The Little Bandits."
Not long before the holidays, Elder Ham summons Hamtaro to ask him to do a job for him. Actually, the job is a favor for Elder Ham’s good friend Santa Claus! Santa needs a break this year, and all that Hamtaro has to do is simply…fill in for the old man this year!!!
Laura and Hamtaro are curled up on the couch one night watching television when Glitter and Sparkle come on the air for a press conference! Laura and Hamtaro soon grow sleepy though and they drift off into a dream where they too become the stars of a show…
Penelope is wandering around by herself, when all of a sudden she falls into a deep ditch! Luckily, Jingle and his faithful wanderer companion, Herbert the pig, happen to be in town. Herbert, by chance, finds little Penelope and rescues her from the perilous hole.
It’s Labor Day, and Laura and her Dad want to give Mrs. Haruna a special break from all her household chores. Hamtaro observes as Laura’s Mom, having a moment to relax at last, looks out the window and remembers fondly the last time she had free time to go out and enjoy the pretty autumn leaves.
Bijou has a rare case of Hamster flu! Worried, Maria, Laura, and Kana take Bijou to the animal hospital. But Boss is even more worried about Bijou! He has heard that in hospitals, doctors pierce patients with enormous needles. He thinks that the doctors want to hurt Bijou, so he “rescues” her from the hospital and disappears!
Mr. Haruna is taking Laura and Kana to see his old friend, Gabriel Black! He isn't quite what you'd expect, however. Of course, no trip is complete without the Ham-Hams.
After the storm that destroyed their Fun Park, the Ham-Hams are very disappointed. Nevertheless, they bravely decide to start over and rebuild an even better Fun Park for Mimi!
Mimi, Panda's owner, is all excited because she is supposed to go to the amusement park with her family, Laura's, and Kana's. However, Mimi's little sister, Tina, gets sick and her parents can't go, so a disappointed Mimi doesn't get to go either. Feeling badly for Mimi, Panda enlists the other Ham-Hams in a plan to cheer her up!
Laura's school principal is renowned for his love of plants and for his scary appearance. One day, Laura inadvertently breaks a flowerpot containing a plant that the principal values greatly! She is terrified of what her scary principal might do to her.
Kylie, Penelope's owner has a cousin named Ethan who comes to visit! Young Ethan and Penelope take an immediate liking to each other, and play and play all day until they both fall asleep exhausted and happy. Penelope soon decides that she wants to give Ethan something to show him that he is her new best friend! But she is so shy and Ethan is carefree and oblivious.
Charlotte, the girl that Mr. Yoshi has fallen head-over-heels for, invites him over to her family's chicken farm! Even Laura, Kana, and the Ham-Hams get to come along. But Mr. Yoshi is scared to death of chickens! To make matters worse, Charlotte's father announces that he plans to marry her off to a rich businessman, Alexander.
There is a new boy, Roberto, at Laura's school, who is an amazing soccer player! But he's a little hot-headed about his soccer skills and he angers Travis and the rest of the team, and Laura as well! The Ham-Hams decide to teach him a lesson.
Maria's piano recital is coming up, but she pushes herself so hard that she is unable to play anymore! Laura, who notices something is wrong with Maria, comes over with cookies to help Maria relax. The Ham-Hams, also worried for Maria, devise a clever trick to lead Maria outside, thinking that she may just need to refresh a bit.
It's summertime, and Laura and her family are going to the beach so that Laura can show off her new swimming skills. Of course, the Ham-Hams tag along too and Boss is all excited to show Bijou his dashing sailing prowess.
Laura gets a bad score on a "surprise" quiz and as a result she is unable to get the CD player that her parents promised her. Then she got mad and stormed out of the house and decides to run away from home.
Laura's town is having a story-writing contest, and Laura writes a great story about star-crossed romance, of love separated by the Milky Way in the sky. Impressed, the Ham-Hams decide to do some story telling of their own.
Snoozer sleeps so peacefully that no Ham would know how busy his dreams are. In one dream, the Ham-Hams are in a castle town and Robin Ham (played by Hamtaro) is going to Chick-ah Chick-ah Castle to visit the sick father of Maid Laurien.
The hamster siblings, Stan and Sandy have one of their heated arguments, and Sandy’s ribbon is torn and Stan’s maracas are broken. The Ham-Hams decide that the twins need to make up, so they plan a surprise party for their birthday.
Laura’s social studies class takes a field trip to the harbor to ride a sightseeing boat. Boss claims to be an expert on boats and harbors, so the hamsters follow along. When they get there, however, they soon realize that Boss has never been near a boat or a harbor in his whole hamster life.
After Laura's parents have an argument, Dad leaves the house with Laura. As a worried Hamtaro watches them go, the Ham-poet Jingle appears. In the meantime, Laura and her dad go to the department store and buy her mom a pretty pendant for Laura’s parent’s anniversary, but when they get home, Laura discovers the pendant is missing.
During the rainy season, the Ham-Ham’s want a change of atmosphere so they decide to redecorate the Clubhouse. After they finish, they try to go outside, but find that the door won’t budge, because a mole dug a hole while they were decorating. The mole-hole has brought mud & water into their tunnel, and it threatens to seep into the Clubhouse!
Mr. Yoshi, Laura’s teacher, cannot forget Charlotte, the beautiful woman he met in the wild classroom chicken incident, so the Ham-Ham girls (who are natural romantics) set out to find her.
There is a Sports Festival at Laura and Kana’s school, and the girls are participating in the Parent-Child Triathlon with their fathers. The Ham-Ham’s decide that they want to organize a competition of their own, so they attend the festival to see what’s involved.
Laura and Kana visit the Aquarium with their fathers, and the Ham-Hams follow along. Inside the Aquarium, strange sea creatures overwhelm the hamsters, but Hamtaro recognizes it as the place from the fairy tale that Laura read the night before.
On Children’s Day, Laura’s Grandpa comes to visit, bringing with him his latest invention, a fully automated treadwheel. He decides to test it on Hamtaro and before long, the wheel throws Hamtaro across the room. Laura gets upset with her grandfather and leaves the house.
When Laura and the other students study zoology in Mr. Yoshi’s class, everyone brings their pets. While the animals play on the counters and in the strange science sinks, Oxnard strays off to look for food. He finds some corn and starts eating it, but then realizes he’s in the cage of the mean Chicken Trio: Gonzales, Vinny and Capone.
Kana's country cousin, Dylan is coming for a visit and he's bringing his hamster, Penelope, with him. Oxnard is still madly in love with Pepper and can't wait for her to come. Meanwhile, all of the ham-hams are planning a surprise party to welcome Pepper.
Hamtaro, hearing Laura and Kana talking about going on a picnic, thinks that it would be a great idea for the ham-hams as well. He takes the idea to the ham-ham gang. Everyone thinks it's great, except for Penelope and Bijou, who don't know what a picnic is and wonder what involves.
When Maria's parents decide to go back to France so she can study piano, Bijou must bid her Ham-Ham friends goodbye. She finds it hard to tell them and when she finally does, the hamsters are in shock.
It’s almost Mimi's birthday and the girls celebrate with Chinese Doll displays and treats. As the Hamsters are trying to understand the holiday, they find themselves following Mimi down the street, because they see her carrying the food they love, Rice Crackers.
Pashmina is going out for the day without Penelope, so in an attempt to impress Pashmina, Dexter and Howdy volunteer to baby-sit so Penelope won’t be alone. Howdy and Dexter, both competing to be the best babysitter end up fighting with each other and a neglected Penelope wanders away.
At the Ham-Ham Clubhouse,the Ham Hams see a rainbow. Some of them think they can nibble on it. Bijou arrives after the rainbow disappears and she and the Ham Hams think she will "lose her colors" now. Boss tries to find a rainbow for her but is unable to.
It is Valentine’s Day, and Laura decides to make chocolates for Travis. In the Ham-Ham Clubhouse, the traveling Auntie Viv appears, wanting to give a Valentine gift to Elder Ham. The girl hamsters are thrilled at her romantic gesture and encourage the boy hamsters to help Auntie Viv find Elder Ham.
Boss, the self-appointed chief of the Ham-Ham Clubhouse is acting strange lately, and the other Ham-Hams are concerned. They decide to follow him one day and soon discover that he’s caring for an abandoned kitten.
Hamtaro and the family dog Brandy go with Laura to a dog-sled race. Brandy, who only gets exercise from yawning and walking in and out of his doghouse, just goes to watch; but he begins to worry about embarrassing Laura with his laziness, so he decides to sign up for the race.
After Laura’s father looses his favorite pair of eyeglasses, he, Laura and Hamtaro go off to the optical shop for some new ones. After trying on several pairs, a frustrated Mr. Haruna decides to keep looking for his old one’s.
There is a marathon race at Laura’s school and a friend of Elder Ham’s, the eccentric Auntie Viv, comes to town to participate. When the race begins, Auntie Viv and an equally competitive Boss charge out of the starting gate.
With snow laden on the ground, the Ham-Hams decide to go out and play... but Boss and Stan get into a quarrel over who is the best at snow sports! Who will win the Ham-on-ice Challenge? Boss or Stan?
Hamtaro and Laura dream about being a princess and a knight in a fairy tale. The prophet hamster (Elder Ham) foretells the arrival of an evil magician and a brave knight. The brave knight (Hamtaro) arrives. Can he save the kingdom?
It's Christmas time! Boss and Snoozer want to get a gift from Santa. The Ham-Hams decide to help and everyone gets gifts from the hamster-Santa. Meanwhile, Laura wants a dollhouse for her gift.
While on a walk with Laura, Hamtaro falls into a box on a transport truck in an attempt to save one of Laura's ribbons and is taken away. Laura becomes very distraught. The Ham-Hams become determined to start searching for Hamtaro.
Maxwell decides to create a newspaper called "The Ham-Ham Times" after Hamtaro learns that Laura and Kana are making a newspaper for the school. The Ham-Hams set out to each find news worthy of the paper.
Today is Travis' birthday, but Laura's having a hard time finding the perfect gift to give for him on that special day. Hamtaro, with the same idea in mind, declares a competition with Pashmina as the judge to see who can give her the best gift.
Admiring his courageous and heroic background, Cappy decides that he wants to become a field hamster just like Boss, and the Ham-Hams are worried about him losing his home life with his owners, Kip and Sue.
Despite Boss, Howdy and Stan's stubbornness, the Ham-Hams decide to build a fun park under Panda's leadership. Meanwhile, Laura's family goes to the amusement park, but the car machinery breaks down.
When Laura is asked to perform the role of Cinderella in the school play, the nervous actress accidentally leaves one glass slipper at home. When Hamtaro discovers the lost slipper, he and his Ham-Ham friends set out to secretly deliver the slipper to the theater.
All of the Ham-Ham's special items have suddenly gone missing! Luckily, Hamtaro is on the case and wants to know what's going on and who really had an intent on stealing everyone's things.
Laura's gone down with a cold, and Hamtaro feels terrible about her condition because he kept running on his wheel all night. Meanwhile, Boss develops a "stomach-ache" and Maxwell steps in to help cure him with yogurt found in Laura's fridge.
In a game of Blind Man's Bluff, Cappy takes Bijou's ribbon on accident, but Hamtaro gets the blame. To make it up to her, everyone plans a trip to Acorn Mountain and collects some acorns to help her feel better.
Picking up where the last episode left off, Hamtaro and Oxnard locate Sandy's twin brother, Stan, and bring him back to the Clubhouse. To celebrate, the Ham-Ham gang decides to throw a surprise reunion party for Sandy.
As Elder Ham's Sunflower Seed Harvest Festival approaches, Sandy confesses to Hamtaro that she has a crush on Maxwell because he reminds him of her brother. Sandy asks Hamtaro to find out if Maxwell feels the same about her.
When Laura and Kana go shopping, the Ham-Hams go along, but soon find danger in the shopping district. Bijou wanders down a nearby alley, but she doesn't return!
It's Grandparents Day, and when Grandma comes for a visit she shows Laura an old clock that she and her friend, Kaitlyn, bought years ago. Laura is touched by the story and decides to surprise her grandmother by trying to find her long-lost friend for her.
After Laura begins a new semester, the Ham-Ham pals start to wonder if they might be missing something by not going to school. After Hamtaro, Oxnard, and Boss sneak into Laura's school for a day to check things out, the Ham-Hams set up a separate school of their own.
Hamtaro goes with Laura and her family to visit her grandmother in the country. The Ham-Hams are excited for Hamtaro, because Grandmother's house is surrounded by sunflower fields.
It's a summer festival! The Ham-Hams learn from Maxwell that on the night of the festival, flowers (fireworks) will appear in the sky. Pashmina separates from the Ham-Hams to find the flowers.
Laura's parents take her on her first trip to the beach; but when they tell her that the water can be dangerous for hamsters, she decides not to take Hamtaro. However, Hamtaro and the Ham-Hams have other ideas! They want to see the ocean, so they make a plan to go to the beach too, after agreeing that if they stick together, they can look out for one another.
Boss is cleaning the Clubhouse to invite Bijou over. He, Hamtaro, and Oxnard go visit Bijou to persuade her to come. She refuses, because she has never been outside of her cage, and her owner would be worried when she finds out she's gone.
On Laura’s first day of school, Hamtaro can't help Laura choose the perfect outfit, but he decides to help by keeping an eye on her at school. He soon gets sidetracked though when he runs into his new friends Oxnard and Boss, who introduce him to more hamster pals, Pashmina, Penelope, Howdy and Dexter.