class Episode:
    def __init__(self, number, url):
      self.number = number
      self.url = url

class Serie:
    def __init__(self, sid:str, name:str, seasons:list, url:str):
        self.sid = sid
        self.name = name
        self.seasons = seasons
        self.url = url

    def get_serie_seasons(self):
        pass