Season 1
1970 · 7 episodes
Three boys are investigating a ruins of the old fortress during summer vacations.
Episodes
1. Episode 1
December 1, 1970 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
2. Episode 2
December 18, 1970 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
3. Episode 3
January 3, 1971 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
4. Episode 4
January 18, 1971 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
5. Episode 5
February 4, 1971 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
6. Episode 6
February 28, 1971 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.
7. Episode 7
March 18, 1971 · 30m
Three boys are investigating a ruins of the old fortress during summer vacations.