All the letters disappeared in the frozen computer of renowned writer Gejza Letterman. But without them he can't finish the poem for children. Mimi and Lisa find the letters deep in the computer’s bowels. Persuading the letters to return to the poems can only help Mimi's holy letters.
How much does a bubble cost and how much a little bit bigger planet? Real estate agent Isidor Schemer loves to sell, no matter to who and no matter what. This time Mimi and Lisa fall for his discounts, but also thanks to them the view of the starry night sky full of shiny stars is so breath-taking.
While the girls are competing on their scooters above ground, there are preparations for The Grand Worm Tour underground. The favorite to win, Nela the worm, is puzzled by a change in the competition rules. The girls with Nela discover that cooperation has more charm than competing.
Following the correct steps and amounts can be crucial, especially when baking. And because Mimi and Lisa are baking by nose, their cake batter overflows the bowl and gluts the house. Luckily Ms. Sweet has enough bound cake forms so in the end every resident gets a piece of a cake.