After a lock-keeper entrusts his daughter to a canal Casanova, he is shocked to learn that she is pregnant. He then refuses to open his locks - causing barges to pile up in every direction until the guilty party confesses. Harry H. Corbett, Hugh Griffith, Eric Sykes, Ronnie Barker, Julia Foster, Miriam Karlin, Eric Barker Added on Netflix 2023-06-02.