Bimi decides to find out where the rain comes from. With the help of his friends Heidi and Maggie Bimi learns that rain isn't as simple as it seems.
When Nicole runs out of paints, imaginative Moony suggests getting some colors from the rainbow. The friends take off on a quest to find the colorful paints on Lindsey's hot air balloon and uncover the truth about rainbows.
Bimi Boo and his best buddy Charlie want to become superheroes. In order to gain superpowers they decide to eat super foods, but Charlie only eats sweets.
Bimi Boo is confused about colors. All his friends have a favorite color except for him. His friend Heidi helps him memorize colors and Bimi picks a favorite one.
Alex and Rudy ruin Maggie's book during story time so it's up to the friends to use their imagination and create a whole new fairy tale.
Bimi Boo is not in the mood: either the light is too bright, the food is too tasty and it doesn't help that his friends keep calling him "a bear with a sore head" when he is in fact a puppy.
Bimi Boo and Charlie want to dig for dinosaur fossils like paleontologists. Their friend Moony wants to dig for treasure like an archeologist. An argument occurs.
Bimi Boo and Charlie decide to climb the Big Hill while Lindsey wants to find a place to fly her Little Red Plane. The friends decide to pull the plane to the top of the Big Hill and fly it there, but they need to work hard to succeed.
Bimi, Lindsey and Charlie see a star falling from the sky and decide to find it. Smart Steve helps them learn what those falling stars actually are and teaches them about the magic of the universe.
Steve invents a time machine that can travel to any day from the previous week. Bimi gets excited and decides to travel to all the fun moments of the week, but something goes wrong.
Alex and Rudy want to help out during spring cleaning. But instead of recycling they put all the trash into one bin.
Bimi Boo and friends have a power-cut in their town. Bimi investigates and learns why it is not always wise to turn on all the lights and a lot of devices at the same time. He also learns about green energy and where it comes from.
Bimi Boo and Moony come across a mysterious well with a voice. Maggie helps them realize that the voice inside the well is actually their own.
Bimi starts a newspaper to see what all his friends are up to and he asks Charlie, Nicole and the raccoon twins to help him. Not all goes well with the newspaper and Bimi learns an important lesson about telling the truth.
Bimi and Maggie explore the origins of their favorite things, like cocoa and books. Soon the other friends learn about the history of their favorite things as well. Alex and Rudy decide that history needs some mischief and magic.
Bimi has stage fright, his friends try to help him. As Moony tricks Bimi into believing that a magic bean will help, Bimi finds out that the magic was inside all along.
Steve is upset that his favorite planet Pluto isn't considered a planet anymore. In order to cheer him up Bimi and his friends try to make Steve like a different planet, but nothing seems to work.
Bimi and Moony are convinced that lava cakes come from volcanoes. They go to a volcano to get more lava cakes but they learn that it's not really the case when the volcano is about to erupt.
Rudy and Alex want to gross out their friends with an icky worm, but all the friends find the worm cute and interesting. Rudy and Alex learn that worms are actually very useful.
Ben is very sick, but he has a secret soup recipe that can make him feel better. Bimi and his friends follow the clues to find all the ingredients and make Ben's secret yummy soup.