Professor Balthazar S01 E10 Knitting Pretty

Professor Balthazar has two friendly neighbors, Mathilde and Clothilde who loves knitting. They knit a sweater for the professor, a sweater with eight arms. Luckily for them, Octavian the octopus, loves the sweater. Professor Balthazar invents a machine that can knit sweaters for every octopus in the ocean.