Season 1 of Van der Valk premiered on Sep 13, 1972
Season 2 of Van der Valk premiered on Aug 29, 1973
Season 3 of Van der Valk premiered on Sep 05, 1977
Season 4 of Van der Valk premiered on Jan 16, 1991
Season 5 of Van der Valk premiered on Feb 05, 1992