Lotte gets a little sister named Roosi. Two scientists Karl and Viktor come to Gadgetville, they are taking part in a big folk song collecting competition. Whoever succeeds in recording the folk song of the world’s oldest animal species, wins the competition’s grand prize. Lotte and Roosi decide to help the scientists. Exciting and unexpected adventures await the sisters.
Evelin VõigemastLotte (voice)Helmi TulevRoosi (voice)
Mait MalmstenKarl / Juku (voice)
Elina ReinoldViktor (voice)
Sepo SeemanAdalbert (voice)
Anu LampSonja (voice)
Andero ErmelGiovanni (voice)
Aita VaherAve (voice)
Karmo NigulaOskar (voice)
Harriet ToompereAnna (voice)
Peeter TammearuJohn (voice)
Rein OjaJames (voice)
Ain LutseppEduard (voice)
Markus HabakukkTom (voice)
Roman BaskinRoberto (voice)
