A smart bubbly girl, a bouncy little boy, and a very young cloud: here are Ella, Oscar & Hoo! Together they will chase dinosaurs, explore mysterious woods, or be Santa’s devoted assistants… Every day is a new adventure, an opportunity to learn together about courage, honesty, and childhood friend...

With his parents away, Oscar plans to spend the day at Ella's, but it is a loooong day. | Oscar goes on a superhero adventure with the help of Hoo, but Ella doesn't think this is a good idea

Following a culinary misadventure, Ella is grossed out by colorful food. Oscar and Hoo try to find treats that she will like. | It's class photo day! Ella and Oscar are both dressed up and neat...but this won't last long.

Oscar caught a bad cold and must stay in bed. So, Ella and Hoo try to distract him. | Hoo is sad he didn't get any cards over the holiday. Ella and Oscar team up to make him smile.

Oscar looks everywhere for Jean-Pierre, his favorite stone. Ella is acting strange. Did she have something to do with Jean-Pierre's disappearance? | Ella hurts her ankle and comes home on crutches. Oscar will have to do everything for her.

Ella has a school project on the stars, so the three friends spend the night outside and observe the Milky Way. | Oscar is enjoying his birthday cake with Ella, but nothing is going to go as planned.

Ella's mom promised her a dog. But first she must prove that she can take care of Francoise, her turtle, for a week. | Oscar is blamed for damaging his mother's drawings. But he didn't do it! The trio will investigate and solve this case.

Hoo is exhausted and can't stay cloud shaped. Ella and Oscar try to help him any way they can. | The clouds are planning to eclipse tonight. Ella, Oscar and Hoo fight sleep to see it.

Oscar thinks Hoo is in danger and wants him to be prepared. But how do you train a cloud in the art of self-defense? | Ella, Oscar and Hoo's evening picnic is invaded by hungry elves who want to eat the children's dinosaur chips. They must be stopped!

Oscar planted seeds in the garden and can't wait for them to grow. But the next day, still nothing! Is that normal? | Thinking he's moving; Oscar is distraught about leaving his friends behind. So, he plans to build a cabin to move into with Hoo.

The glider that fell in Great Oak is really cool. Ella and Oscar both want to play with it. But they must be careful of accidents! | Oscar and Hoo are ruining Ella's handmade puppet. Now she wants revenge to get even.

Oscar wants to find a cloudfriend for Hoo. But this is not easy when your cloud is so unique. | Ella, Oscar and Hoo embark on an imaginary voyage to visit Oscar's seafaring grandparents.

Oscar lost his ball and counts on Ella to come up with another game. She's going to have to use her all ingenuity to keep him entertained | It's a heat wave, and Hoo comes home very dirty. Ella and Oscar try to clean him up.