If you're looking for anime similar to Lalala Lala-chan: Patapata Daisensou, you might like these titles.
Three kids living in the Watermill Village were planning a picnic in the mountains. Of course Pico, a young hamster kid wanted to go to the mountain peak with her friends Tocho and Fufu. The three of them fall in a hidden lake beneath the mountains and discovered a giant fish named Aesop floating. The knew that the fish wanted to fly again, in order to do that, they must collect mystical scales all across the world. Because of this, they start their search for the mystical scales in order for Aesop's dream to come true.
Four young animals, rabbit Seitaro Usagi, squirrel Risu, bear Kuma, and penguin Penguin (U-Ri-Ku-Pen), are part of a team of brave young animals that rescues others in peril. Other team members included a dog, a boar, a deer, a koala, a mouse, a seagull, and a lion. The animals would win a prize for completing a mission, as would the viewers, who were encouraged to write in and guess which of the creatures would save the world by each Friday (a single mission stretched over a week of TV).
In a part of the world lies the Village of Animals. Living within the village is the hedgehog, Harry, a small yet mischievious child. His classmates include the elephant, the crocodile and the squirrel. They play and do things together, days filled with fun and joy. Surrounding them are adults with unique personalities, such as the mother who takes pride in providing the best education for her children, the artisan-spirited father and the conscientious teachers. This is a story that revolves around familiar themes in life such as school and family, and will surely relate to everyone.
A fish named Hazedon who was born from a mermaid and a blow fish, has a goal to travel the world with his friend, Puyan.