Super Rabbit Boy is ready to enjoy a relaxing day off until meanie King Viking shows up at his door. King Viking has a giant problem -- his biggest robot ever, the Gigabot has been stolen. Now the robot thief is taking the Gigabot straight toward Animal Town! King Viking can't stop the Gigabot on his own, so he has no choice... he has to ask Super Rabbit Boy for help! Will Super Rabbit Boy find a way to stop the giant Gigabot? And who is the robot thief?