Lola is refusing to go to the optician until she sees her classmate Minnie with beautiful glasses. When she goes to the optician, she finds out that she does not require glasses. At home, Charlie helps Lola make her own glasses. At school the next day, Lola, Lotta, and Minnie are wearing their own glasses and are happy.

A thunderstorm is approaching, and Lola is afraid of the thunderclaps. Charlie teaches Lola about weather during thunderstorms and helps her overcome her fear of thunderstorms.

Lola is very excited to have her first sleepover with her best friend, Lotta. However, when Lola discovers all of the things different in Lotta's nightly routine, Lola becomes homesick.

On a hot day, Charlie and Lola decide to go outside to be joined later by Arnold Wolf. When Arnold spills Lola's fresh ice cream and refuses to share some of his ice cream, Lola becomes furious at Arnold and decides to not be friends with him anymore. Charlie tries his best to try and get Lola to like Arnold again.

Marv's mother says Sizzles is naughty, so the pair train him. Later, the dog eats Morten's sausages.

When Lola takes her old tricycle to the park, she discovers her best friend, Lotta, has got a new bicycle with training wheels from her cousin. Lola struggles to keep up on the tricycle, and wants a proper bicycle. Charlie decides to give his old bicycle to Lola, who learns how to ride it with the training wheels. The next day, Lotta rides the new bike again, but without the training wheels. Lola feels like she should ride her bike without the wheels as well, but realizes that it is much harder.

Lola and Lotta are pretending to operate a store with a cash register of Lotta's. When Morten comes across the store outside, Lola and Lotta try everything to sell something to him until they sell Charlie's swimming goggles. Charlie, however, was about to go swimming.

Charlie and Marv are working on a school project about creating a new invention. When they struggle to think of anything, Lola joins in to try and make something. Just before the boys are about to give up, Lola stumbles across an idea that may help.

When Charlie and Lola go to the beach by their grandparents' house, they begin their tradition of building a sand castle. However, a girl named Clem becomes curious about the summer's castle. Clem examines Lola's shells, takes Lola's spade, erratically places seashells on the castle, and accidentally falls on the castle.

When Lola and Lotta try practicing a springtime song performance for school, Lola starts laughing to the point of hiccupping. With the play just days away, Lola tries all sorts of methods recommended by her friends to try to get rid of the hiccups.

Charlie and Lola just received a new puppet stage to build. When Charlie tries to read the assembly instructions, Lola doesn't pay attention and constructs the stage incorrectly. Throughout the day, Lola discovers her inability to listen to instructions. She forgets her umbrella, gets her elephant puppet all wet, spills water, and more.

After a summer vacation, Lola and Lotta do their traditional gift swap. Lola receives a hat from Lotta, but doesn't like it. Initially, she tries to avoid wearing the hat in public. However, when she accepts the gift for what it is, Lola loses the hat in the wind.

Lola tries different types of dancing.