Nicknamed Rob, the robot stands at 5 feet, 5 inches tall and weighs 420 pounds. Like some other large cities around the U.S., Portland's downtown area has grappled with the ongoing issue of crime.

Join Rob, the galaxy's most curious and adventurous robot as he explores wondrous planets with his friends Ema, the alien linguist, TK the walking toolkit and Orbit the quriky artist. ABC iview Home ...