Episodes 11
Bassie en Adriaan: Het geheim van de sleutel (Season 1)
Episode 1 (Episode 1)
Air date: 1978-10-09
Runtime: 19 min
Episode 2 (Episode 2)
Air date: 1978-11-06
Runtime: 19 min
Episode 3 (Episode 3)
Air date: 1978-11-16
Runtime: 22 min
Episode 4 (Episode 4)
Air date: 1978-12-01
Runtime: 19 min
Episode 5 (Episode 5)
Air date: 1979-01-01
Runtime: 23 min
Episode 6 (Episode 6)
Air date: 1979-01-29
Runtime: 24 min
Episode 7 (Episode 7)
Air date: 1979-03-26
Runtime: 22 min
Episode 8 (Episode 8)
Air date: 1979-05-03
Runtime: 23 min
Episode 9 (Episode 9)
Air date: 1979-05-21
Runtime: 22 min
Episode 10 (Episode 10)
Air date: 1979-06-03
Runtime: 23 min
Episode 11 (Episode 11)
Air date: 1979-06-30
Runtime: 20 min
Seasons
Episodes 11