El valiente príncipe Ivandoe 1x6

Ivandoe hates swans, especially his worst enemy Prince Svan, but when Bert becomes smitten of a swanstress called Svandaline, revealed to be Svan's sister, who had lost her memory, for a moment he realizes that not all swans are swoony... Until Svandaline gets her memory back and bluntly and meanly rejects Bert.