S7.E1 ∙ Een Rustige, Luie Vakantie? (De Verzonken Stad) Thu, Oct 05, 1989 In Bassie and Adriaan en De Verzonken Stad, Bassie and Adriaan they find a mysterious stone with symbols during their vacation in Greece. They need to figure out its meaning while dealing with de Baron, B2, and Vlugge Jaapie. 7.8 /10