"How It All Began": Betsy is scared enough on her first day of Kindergarten; she doesn't need the responsibility of taking care of the class Salamander, Sydney. But when Betsy loses Sydney and she wants to tell her teacher that she'll try to come back next year for school, her new friends come to her aid and Betsy takes responsibility and tries to find Sydney.

"The Farmyard Field Trip": When Mrs. O'Connor's kindergarten class goes on a field trip to the farm, the class learns all about how cows are milked, what types of food the animals eat and other things about farms. Betsy, though, is embroiled in the mystery of the missing chicks. Every time she goes back to see the cute little baby chicks that just hatched, another one disappears.

"Boots, Boots, Boots": It's Betsy's turn to be the class "Weather Watcher" for the week and she's hoping it rains so she can wear her new ducky boots that her Grandma sent her.

"Camping Out": Betsy is afraid to go out in her backyard at night, but when her friends are invited over for a camping sleepover, she is forced to face her fears. In the end, Betsy learns that there was nothing to be afraid of, and she also has learned some good lessons about the solar system.

"The Spy Who Taught Me": Betsy and her classmates suspect their teacher is a spy, so they go on an adventure to find out the truth.

"Betsy Buys a Vowel": Betsy is excited to play Mrs. O'Connor's spelling game, although she does not want to get stuck with the dreaded letter "U" - she doesn't think any words contain that letter. After trying to push the letter onto her classmates, she soon realizes that a large amount of words contain the letter "U". Betsy learns a lesson not only about spelling, but how to blend vowel and consonant sounds to correctly say different words.

"Borrowed Time": Betsy and her classmates visit the library and learn how it works. They learn all of the rules and regulations of the library as well. So when Betsy thinks she loses her library book, she fears the consequences.

"Frisky Business": When Betsy's Dad's new birdbath decoration turns up missing, everyone suspects their dog, Gracie. But using their five senses, Betsy, Billy and Molly solve the mystery and discover the true culprit. Everybody learns that guessing isn't as good as the facts and that you are innocent until proven guilty.

"Tickets, Please": The class puts on a carnival. Betsy and Scott run the Prizes Booth, but Betsy soon has trouble counting the tickets she receives so the other students can claim their prizes.

"Growing, Growing Gone": When the class learns about measurements and begin to measure their growth, Billy worries that he has stopped growing because he hasn't grown any taller in awhile.

"Introducing the Post Office": Mrs. O'Connor invites a Postman to the classroom to explain how the Post Office works. Afterwards, the children give out Valentine's Day cards in the classroom just as the Post Office would.

"Lyrtle the Turtle": Mrs. O'Conner teachers the class about animals. The first featured animal is a turtle. They learn a valuable lesson in responsibility and what it takes to care for pets.

"Molly's First Bike Ride": When the class has a bike parade coming up, Molly admits to Betsy that she doesn't know how to ride a bike. With the help of Kenji and Betsy, Molly finally learns how to ride her bike and stars in the parade.

"Newton the New Kid": Lakeshore school welcomes a new student, Newton. But when Newton seems scared and nervous, Betsy takes it on herself to show him around and introduce him to all the students.

"A Whole Lotta Hot Air": When Betsy and her friends are playing with helium-filled balloons, Betsy mistakenly thinks her baby brother floated away.

"Responsibilities": Mrs. O'Connor teaches the class all about responsibilities. After Billy gets an important responsibility, he thinks he will sabotage the assignment to never get another one again. But after a talk from Betsy, Billy decides to do his best when given a responsibility.

"To Tree or Not to Tree": The children perform a play about animals and nature. Betsy is very disappointed when she has to play a tree, but the children make her realize that trees are just as important as anything else, and possibly more important.

"The Police Department": A police officer visits the class and teaches the students all about what the Police do. He also teaches Betsy all about Detective work, which she uses to solve the mystery of who stole Kevin's teddy bear.

"Homework Rules": The Super Fun Sandy Mega Play Set is coming out in stores, but Mrs. O'Connor has just given the class homework. Betsy decides the right thing to do is follow the homework rules and finish her work before she goes out and gets the toy, but it may not be available if she gets to the store too late.

"All Washed Up": The class learns about personal hygiene and germs. Betsy gets a little carried away and learns its best to do everything in moderation.

"Manners Please": The class has to get ready for "Parents Day Tea Party", so they all have to learn how to have proper manners. Molly thinks she knows it all, but actually she seems to have very bad manners.

"Big and Little": The class learn the difference between big and little. Bus Driver Bob thinks his bus has shrunk into a tiny toy bus when someone moves his bus and it is replaced by Newton's toy bus.

"Making Instruments": Betsy has an assignment to make her own musical instrument, but everything she thinks of is already taken by another member of the class. With her father's help, she discovers an instrument and the whole class plays a nice medley together.

"Treasure Hunt": The class learn about directions of a map. They learn how to use a compass and nature to complete Mrs. O'Conner exercise to find the treasure.