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.
There's a sports festival in town. Laura and her Dad are out training for the Parent-Child triathlon. As they jog along, Laura's Dad decides to stop at a bench for a little rest. Hamtaro has been watching them as they practice. Just then, Kana and her Dad come by. Kana's Dad can't help but subject Laura's to some ribbing. He talks about how hard he and Kana have been training and how he's already set up a place and a party for their gold medals and stuff. The two fathers get into one of their arguing matches again, leading Kana to make a comment. Hamtaro, not really understanding the idea of this sports festival, decides to head to the clubhouse to ask about it. Nobody's really sure at first, but then Maxwell talks about how he saw a sign for it. Events include such things as a scavenger hunt and an apple bob. The ham-hams all want to know what an apple bob is. Howdy speaks up, saying that he can tell them about it. When they ask, however, he just makes one of his bad jokes, saying tha
As Laura's class is out for a jog, led by Mr. Yoshi, the ham-hams are hanging out in one of the trees up above. Their relaxing, enjoying themselves, when, down on the ground, Mr. Yoshi runs smack dab up against the chicken cage. He's still very scared of chickens, which gets him some teasing from Travis. Travis jokes that the chickens are escaping, causing Mr. Yoshi to become very scared. Travis urges him to calm down, saying that the chickens are still in their plan. Mr. Yoshi realizes that Travis was just teasing and says it's not nice of him. He comments that if only ""she"" were here, she'd know what to do. He's thinking of the girl who helped a while back when the chickens escaped. He can't stop thinking of her, but she didn't even give her name. Laura and Kana later on notice him thinking of her. Laura suggests that perhaps someday their paths will cross again. The girl ham-hams seem to be attracted to this story. They think it's the perfect love story, but Boss and Howdy aren't so
Laura is excited, as her friend Claire, her best friend from her old neighborhood, is coming to visit. Laura's Mom, however, is a bit worried. Claire's just sort of showing up and she didn't say that she was coming or anything. She wonders if there's something wrong. But Laura figures that Claire just wanted to surprise her. As Laura leaves for the train station, Hamtaro leaves to meet his ham-ham pals. They were going to play today, but he was running a bit late. When he gets to meet them, he finds that they've already started the game. It's hide-and-seek, so they make him be ""it."" Hamtaro counts and has them all hide. Penelope tries to hide in Boss's place, but Boss sends her away, so she hides with Pashmina. But then Hamtaro tricks everyone! He gets them all out of hiding with the prospect of a sunflower seed. Dexter gripes that it takes the game to a whole new level. They can't all be it, so they decide to play ""rock-paper-scissors."" The only thing is, Cappy is still in hiding. He
Stucky returns to play hide-and-seek with the Ham-Hams, and he falls in love with a bunny in a stump. Cappy wants to ask the bunny to play hide-and-seek with Stucky. Meanwhile, Laura and her mom help Laura's cousin Erika prepare for her wedding.
An ostrich's egg rolls away from Mr. Yoshi and Charlotte's farm, and the Ham-Hams try to take care of it, but the Chicky-Chickies hassle them.
Laura, her parents and classmates, and Mr. Yoshi go to the beach, and the Ham-Hams go too.
Laura and Kana visit Laura's grandparents, and the Ham-Hams see Robo-Joe again.
Laura, Kana, their parents, and Kana's cousin Dylan go to an Ondoda festival, and the Ham-Hams, Sabu, and Pepper have a Ham-Ham festival too, and Oxnard learns how to play the Ondoda drums.
Laura's school has a bravery test, and the Ham-Hams go too.
The Ham-Hams make their own circus.
Glitter returns to Japan for her job, and so does Sparkle. The Ham-Hams want to play with Sparkle, but she wants to have a more lovely and elegant vacation...
After Boss saves Bijou from a big ball that was headed toward her, everyone says that Boss is like a knight. Later, there is a typhoon and Laura's parents can't make it home, so Hamtaro decides to be like a knight and protect Laura from the storm.
Robo-Joe takes the Ham-Hams flying in a plane-like transformation. But something goes wrong...
The chickens escape from Mr. Yoshi and Charlotte's farm, and they have to get them back. The Ham-Hams decide to help too.
Penelope dreams to see a castle.
After what happened yesterday, Pashmina got sick, and June messed up Kylie's cake. Can the Ham-Hams help Penelope's castle dream come true, or will the friendship between June and Kylie as well as Pashmina and Penelope fall apart?
Oxnard wants to see Pepper. Can he show the power of love?
When the Ham-Hams decide what to play, Cappy wants to play hide and seek, but he speaks so quietly, no one can hear him, and they go with Panda's idea of playing dodgeball instead. While Boss is looking for the ball, Cappy asks about Boss's tunnel. Boss says that it continues forever, and no matter how far you walk, you'll have to walk even farther. Cappy is sad until Stucky shows up. They both decide to play hide and seek in the tunnel. They have a lot of fun, until an earthquake traps them!
A stray cat threatens Bijou, and Hamtaro and Boss try to protect her, but Boss is afraid and cowers. However, Hamtaro and Bijou think Boss was brave and that he "lowered his head to feint the cat". Boss is upset that he was such a coward, and he runs out of the clubhouse. Hamtaro goes to find him, but Boss yells at Hamtaro, saying he wants to be left alone. Hamtaro says he wouldn't want to come near Boss. Sabu comes, and says that they shouldn't fight, but instead they should have a duel.
Laura and Kana are in the school's play of Little Red Riding Hood. Meanwhile, a scary wolf stalks the Ham-Hams, but is it really a wolf?
Humans are going to dig up the tree above the Ham-Ham Clubhouse! Can the Ham-Hams save their precious club?
Zack has an argument with his mom, so the Ham-Hams go on a trip to Trotting Mountain to find a gift for him.
Nin-Ham falls out of the sky and tells the Ham-Hams he has a special mission so they won't think he's clumsy. The Ham-Hams try to help him.
The Ham-Hams meet Flora the nurse hamster, an assistant to Dr. Lion, and Stan starts to fall for her.