The robot circus is in town! But when the Botties run into (literally) a trapeze robot running for her life, they realize that something isn't quite right under the big top. During their search to find their new trapeze friend's lost memory, the Botties discover an underground EPU erasing station. Dr. K is stealing robots and erasing their memories, and this is the last stop before they get shipped to their new home in Kontraption.