"Brothers Dal, The"
During an archaeological survey one of the brothers find a stone with an assumed large concentration of the substance Curium 82, suitable for the cure of influenza. After an examination in a laboratory, the stone turns out to be worthless. Roms is surprised, however, by a spaceship and receives a ring with instructions to build a time machine. The brothers assembles the machine and accidentally starts it with the help of the stone. So the journey goes to the viking age, the pharaohs kingdom, the wild west and so on. They meet amongst others Robin Hood, Robinson Crusoe, Genie in the lamp and lots more.