that night, Amahl finds Fred and Daphne wakes them up. He tells them that Horus is looking for Shaggy and Scooby. Horus finds Scooby's collar and leads them to where he found it. Meanwhile, Hotep attempts to feed Shaggy and Scooby to his Spirit of the Sand. The spirit is revealed to be a robot when it falls into the river. Fred and Daphne arrive with Amahl, who reveals Hotep to be a wanted brilliant civil engineer named Armin Granger, who is illegally damming the Nile River, and he is taken away by authorities. With sad, heavy hearts, Fred and Daphne tell Scooby and Shaggy about what happened to Velma, devastating them. Daphne gives back Scooby's collar until she realizes that Von Butch stole the necklace. The gang comes up with a plan. Fred, Shaggy and Scooby enter the tomb and discover Rock Rivers, who has been turned to stone. Meanwhile, Von Butch is kidnapped by the mummies. Shaggy and Scooby disguise themselves as mummies to sneak in but are soon discovered. Cleopatra arrives and turns Von Butch's minions to stone. Fred signals and Daphne, dressed as Cleopatra, leads an army composed of the citizens of the Lost City into Cleopatra's tomb. In the chaos Von Butch sneaks into the chamber, stealing the crown of Cleopatra and causing the Nile River to burst through the tomb, un-damming the Nile and flushing out the riches hidden in the tomb, thus restoring the treasure to the people of Egypt, according to Cleopatra's last wish. The mystery is solved when it is revealed that Cleopatra's mummy was really Velma, who had planned the whole thing along with Prince Omar and his workers in order to scare away treasure hunters; they later brought on Rock Rivers to help them document the interior of the tomb. They had made cement copies of themselves to pass off as victims of "the curse". Von Butch and her team are arrested and taken to prison. Velma apologizes to the gang for not letting them in on her and Omar's plan, but claims that she did it to protect them, feeling that it was too dangerous to include them and that if something had happened to them, she would never forgive herself and she begs for their forgiveness. The gang forgives her. Some time later, the restoration of the Sphinx is finally completed. When Shaggy fires a jumbo-sized firecracker,