The black gold

Celebrated as a hero, the Mezga's, led by Maris neighbour, holds a press conference on the exposed terrorist organisation. Meanwhile, a letter arrives from Pisti Hufnagel, meantime had advanced to oil sheikh, who inveigles them to Oasis Camel. The plane, which is already on its way home, is hijacked by Mezga's and lands in the desert. However, oil is nowhere ...