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Oo, Oo, I Do (1) (4x20)
Uitzenddatum: Mei 25, 1979
Arnold's relationship with Mary gets serious. Then he finds out he has to move and leave the school. Upset, Arnold decides to propose marriage to Mary. She accepts.
- in première gegaan: Sep 1975
- Afleveringen: 95
- Volgers: 10
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