Desc: Der Seehund von Sanderoog: Directed by Klaus Wirbitzky. With Joanna Ferkic, Catrin Striebeck, Oliver Korittke, Barbara Nüsse. Will Milla and her friends be able to save the seal "Knopfauge" and the seal station from the greedy Hajo Ehlers? Ironically, Ehler's son Henry, whom Milla knows from school and doesn't like, turns out to be a great help.