Fairy Tail S03E30 - True Scoundrels - The Butt Jiggle Gang

Natsu, Happy, Lucy, Wendy and Carla are looking for an easy score when they take a mission to protect cargo travelling 6 hours by train for potential thieves. But when the weird gang of thieves actually strike, Natsu is down for the count due to motion sickness and Lucy, Happy and Carla aren't of much help either. That just leaves Wendy...