Robot Trains! Season 2 Episode 26 Where There's A Will, There's A Rainbow Energyball/ Railworld is in Danger, Railwatch To The Rescue Episode Title: Where There's A Will, There's A Rainbow Energyball/ Railworld is in Danger, Railwatch To The Rescue Episode Description: When the Shadow Energy collides with the Energy Volcano, an unexpected combination of the five good energies is discovered. As Genie races to finish the Rainbow Balls, Tony, the secret guardian of Mountainland, explains how the Energy Volcano is the last weapon needed to defeat the Shadow Energy.