![Riders Radio Theater show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/070/319/small/riders-radio-theater.jpg)
Summary: Slocum and Charlie, with the recently acquired Stealth Virus, have made themselves – and the train carrying the world’s rarest stamp – invisible! Fortunately, a yodel to the fourth power made the train visible! The now visible train barrels into a nearby tunnel, where soldiers from Fort Wiley are currently marching and generally unaware of the impending danger…