Molly, Chelli, and Bag unpack and get the store ready for opening day. Chelli cannot wait to make new friends, but Bag misses the choo-choo train that was near their old home.Throughout the day the neighborhood adults and children stop by to meet their new neighbors. Chelli makes friends, but the neighborhood kids get into an argument about what to make out of some cardboard boxes. The kids leave in a huff. But the kids soon return and apologize. Chelli and the kids then decide to cooperate and make something that really makes Bag happy--a cardboard choo-choo train!
Molly obtains an old music box that has a dancing clown on it. Before she leaves the store, she tells Chelli to wait until she returns before playing it again. Chelli cannot wait and plays with it. But he breaks the music box. He then hides it. Josie comes by the store and mentions that Molly told her about her new music box. Josie asks Chelli to see it and Chelli lies and says Kim has it. Josie and Kim come back to the store to say that Kim does not have it. Then Chelli claims that the music box is with "Him" meaning Doc Furball. Chelli's lie gets bigger and bigger as the whole cast is trying to figure out who has the music box. This lasts until Molly returns upon Chelli claims that Waldo took it for a swim. In the end, Chelli tells the truth and apologizes. Waldo ends up fixing the music box.
Chelli is having fun dressing up in disguises. Bag decides that he would like to have a disguise as well to see if he can fool people into thinking she's something she's really not. Chelli and the neighborhood kids work together to come up with a disguise for Bag. However, the disguise does not work--no one is fooled. Later that day, Molly and Kim work with Chelli to make a new disguise for Bag. This time, Bag dresses up as a chicken. Bag (a.k.a. The Chicken) tries to fool Doc, but it does not work. However, Doc just happened to bring some baby chicks with him to the store and they cluster around Bag, convinced that he is their mother. Bag is happy that his disguise finally fooled someone.
Chelli needs to bring something for show-and-tell day at school. He decides he wants to take Bag. However, Bag is too shy to stand in front of Chelli's class. Molly and Chelli try different methods to cure Bag out of his shyness. They finally succeed with a big finale that the townspeople watch.
It's Kim's birthday and Chelli has painted her a special painting. Kim comes by the store to show everyone her new birthday overalls. She also tries to take a peek at Chelli's painting. Chelli tries to prevent her from seeing the painting and Kim accidentally gets paint on her overalls. She blames Chelli, and Chelli says it was her fault. Kim uninvites Chelli to the birthday party that she is going to have that day. They both realize that it was an accident and decide to apologize to each other. The day ends with a big birthday party at the store.
Molly discovers a locked wooden chest in her store, but she does not have the key. Josie comes by and tells her that the chest is filled with old toys from the previous store owner. She also mentions that the previous owner would hide keys under objects that remind her of the things she's locking up. Molly, Chelli, and the neighborhood kids set out to search for the key. They decide that the key must be hidden under a toy. They find the key with the help of Bag and the audience at home.
Chelli wants to spend the day telling jokes to Kim. Kim has made other plans. She is going to spend the day with the Apple Corps, a Girl/Boy Scout-type group. Feeling a bit jealous when Molly goes with the Apple Corps, Chelli decides the Apple Corps are not cool and he creates his own group called the "Supercool Incredibly Groovy Joke Squad" where they accidentally cause a mess. The Apple Corps returns to invite Chelli to help them pass out cookies to sick kids. They also help Chelli clean up the mess he and Bag had caused before he can go. Chelli decides that the Apple Corps are cool because they help people. The Apple Corps invite Chelli to join their group.
After cleaning the store, Chelli complains that it's hard to find things, so Molly decides to decorate the store by having her friends each draw a picture of something that is special to them. Chelli decides to draw a picture of Bag. However, as he shows his picture to everyone, each person thinks it's a wonderful picture of something it is not. Chelli is embarrassed by his drawing. Molly teaches Chelli how to draw a better picture. After much practice, he does. At the end of the day, everyone compliments Chelli on his second picture. Molly points out that his first picture was a wonderful work of art, because it allowed everyone to see what they want to see.
Molly reads a book to Chelli, Bag, Kim, and Jamie about pirates who find a buried treasure. As Molly finishes, she discovers the last pages are missing. Everyone is disappointed because they want to find out what happens to the pirates. So Molly suggests that the kids pretend that they are the pirates. The cast spends the rest of the day looking for make-believe buried treasure and discovers that using their imagination can be very rewarding.
Chelli receives a new box of crayons and decides the only way to keep them new and pointy is not to share them. However, that day everyone needs to use one of Chelli's crayons. He reluctantly shares with each person but is not happy about it. At the end of the day, Chelli's new crayons are no longer fresh and pointy. Chelli, however, discovers how wonderful it is to be share with his friends....before Bag has a new box of crayons.
Chelli and Kim are scheduled to learn a song on the recorder for a homework assignment. Molly shows them how to play the recorder and reminds them that they need to practice in order to learn how to play the song. Kim practices with the recorder, but Chelli decides he does not need to practice with the actual recorder. He thinks he can learn to play by other methods. After the his way of learning fails, he discovers that practicing is the only way to master a skill.
Molly receives music rolls for her player piano. Chelli and Kim are supposed to take turns playing their favorite roll. However, when Kim puts her roll in, she forgets to take turns. She plays her song over and over again and never gives Chelli a chance to play. Chelli is very upset, but is afraid to confront Kim. Instead, he tries various methods to prevent Kim from playing her song. After accidentally breaking the player piano and being talked to by Molly, Chelli finally decides to confront Kim and she apologizes. Waldo is called in to repair the player piano.
Doc needs a dogsitter for the afternoon and Chelli volunteers for the job. After the puppy falls asleep, Chelli decides that dogsitting can be really boring. Kim and Joey come by to ask Chelli if he would like to rollerblade. Chelli knows he should not because he is supposed to be watching the puppy, but he and Bag leave anyway. When they return they discover the puppy made a mess of the store. Soon after, Doc and Molly return and express their disappointment in Chelli. Chelli apologizes and agrees to clean up the mess the puppy made.
Chelli and Sofie disagree about club rules.
The gang throws a sock hop to cheer homesick Argyle.
Chelli needs help with Sofie's last-minute birthday party when he realizes he can't do it on his own.
The pals use pets and imagination to create a zoo when they cannot go to a real zoo due to Molly injuring herself.
Buckaroos Sofie and Chelli have a drawing contest, after Sofie gets something in the mail from her cowboy cousin.
Elmo (from Sesame Street) visits Chelli, realizing they are pen-pals.
Chelli and Sofie overcome their fear of the dark after Bag accidentally causes a blackout in the store.
Sofie and Chelli disobey Argyle and play with his magic kit making Bag invisible by mistake.
Sofie dislikes her glasses.
Chelli tries to get some cookies without asking, but thanks to a mishap from Bag, the "choco-lock cookies" cause whoever eats them to laugh uncontrollably.
Sharing is discussed in this episode.
Chelli and Sofie want to produce a play of "The Three Little Pigs", but Bag would rather pretend he is a robot. They compromise and put on a play of "The Three Evil Space Pigs", starring Sofie and the socks as the pigs, and Bag as "Robo-Wolf".
Chelli (pretending to be Sherlock Holmes) and Bag (playing Dr. Watson) search for missing socks.
Chelli is put in charge of the store while Molly is busy. Chelli creates a new song and dance.
Chelli does not like Sofie's new game.
Lyle does not want to take a bath.
Sofie and Chelli lose Molly's bird.
Chelli plays along when Sofie introduces him to her imaginary friend, Harriet.
Chelli and Sofie learn to be more careful with their words when they accidentally hurt Bag's feelings.
Chelli, Bag, and Sofie confess after disobeying Molly's orders.