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01
Episode 1Up next
Dec 1, 1970
Three boys are investigating a ruins of the old fortress during summer vacations.
02
Episode 2
Dec 18, 1970
Three boys are investigating a ruins of the old fortress during summer vacations.
03
Episode 3
Jan 3, 1971
Three boys are investigating a ruins of the old fortress during summer vacations.
04
Episode 4
Jan 18, 1971
Three boys are investigating a ruins of the old fortress during summer vacations.
05
Episode 5
Feb 4, 1971
Three boys are investigating a ruins of the old fortress during summer vacations.
06
Episode 6
Feb 28, 1971
Three boys are investigating a ruins of the old fortress during summer vacations.
07
Episode 7
Mar 18, 1971
Three boys are investigating a ruins of the old fortress during summer vacations.
