Television movie based on the Nickelodeon series "The Journey of Allen Strange," about a 14-year-old alien stranded on Earth. A class lecture reveals that Xelans have been on Earth and left a message for Allen. He must travel across the world to find the message. His earthly pal, 15-year-old Robbie Stevenson reluctantly goes with Allen on a mission that leads them to the Middle East. Allen and Robbie must brave rebel tribes, unexplored territory and the scorching sun in their quest to find Allen's destiny. Robbie's younger brother Josh takes a detour on his way to astronaut camp and is faced with his own unbelievable adventure.