In the 1973 novel "Protector", a man named Jack Brennan allies himself with a ruthless, xenophobic humanoid species called the Pak. To preclude the possibility future competition for Pak offspring, Brennan engineers a Martian genocide by sending an ice-covered asteroid to collide with Mars. In Dennis Feltham Jones' 1977 novel "Colossus and the Crab", Martian life predated life on Earth, but faced a process of devolution as conditions on the planet worsened. "Quatermass and the Pit" (1958–59) is a British television serial in which a crashed spacecraft is discovered in London. The wreck evidences that the human population of Earth resulted from the experiments of a Martian civilisation, now long dead. A film remake was released in 1967. "Ghosts of Mars" (2001) human invaders war with Martians in an attempt to conquer Mars. In the "Invader Zim" episode "Battle of the Planets" (2001), Zim discovers that a Martian race died off after converting Mars into a giant spacecraft. In "Doom 3" (2004), the entire Martian race sacrificed itself many millennia ago in order to prevent a demonic invasion of our universe. By the year 2145, humanity has colonized Mars and begun excavating the ruins of their civilization, recovering several important artifacts. One of these artifacts—known as the Soul Cube—is the player's most valuable tool in combating a second demonic invasion, as it is the only weapon capable of killing the Cyberdemon. Isaac Asimov's "David Starr, Space Ranger", the first novel in the Lucky Starr series, features a race of Martians who have retreated into vast artificial caverns half a million years ago. These Martians are incorporeal, telepathic beings, peaceful yet curious about humanity. They have access to advanced technologies completely incomprehensible to human beings, like personal energy shield generators the size of a fabric mask. In Robert Heinlein's "Stranger in a Strange Land" (1961), a man raised by native Martians emigrates to Earth, where he must reacclimate. In the novel he functions as a Christ figure. Soon he demonstrates psychic powers, superhuman intelligence, and an ability to manipulate higher dimensions. He founds a church on Earth based on Martian philosophy, and starts a cultural shift. At the novel's climax, he is murdered by a mob from a rival religious group. In 1963, American television network CBS premiered a sitcom called "My Favorite Martian". The series proved popular in the US, especially during the first season, and CBS broadcast more than one hundred episodes before canceling it when the third season ended in 1966.