The Octopuses from the Second Floor
Die Tintenfische aus dem zweiten Stock (original)
While on vacation with their bickering parents in Portugal, Eva and her little brother Johnny find two strange clots of clay on a polluted beach, who can speak and move on their own. They create two octopuses out of the blue and green material and take them home to Prague, soon discovering that their new pets attract electricity and other disasters.
Starring Milan Šimáček, Žaneta Fuchsová, Pavel Zedníček, Dagmar Veškrnová-Havlová, Miroslav Macháček, Josef Bláha, Přemysl Kočí, Jaroslav Moučka, Vlastimil Brodský, Boris Rösner
It's a fantasy and comedy show, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Spain.