Bassie en Adriaan: Het geheim van de sleutel: Season 1 - 11 Episode s
1x1 - Episode 1
October 9, 1978
1x2 - Episode 2
November 6, 1978
1x3 - Episode 3
November 16, 1978
1x4 - Episode 4
December 1, 1978
1x5 - Episode 5
January 1, 1979
1x6 - Episode 6
January 29, 1979
1x7 - Episode 7
March 26, 1979
1x8 - Episode 8
May 3, 1979
1x9 - Episode 9
May 21, 1979
1x10 - Episode 10
June 3, 1979
1x11 - Episode 11
June 30, 1979