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 Võigemast
as Lotte (voice)
Helmi Tulev
as Roosi (voice)
Mait Malmsten
as Karl / Juku (voice)
Elina Reinold
as Viktor (voice)
Sepo Seeman
as Adalbert (voice)
Anu Lamp
as Sonja (voice)
Andero Ermel
as Giovanni (voice)
Aita Vaher
as Ave (voice)
Karmo Nigula
as Oskar (voice)
Harriet Toompere
as Anna (voice)
Peeter Tammearu
as John (voice)
Rein Oja
as James (voice)
