The Backyardigans Season 4 Episode 18 2009
The Backyardigans Season 4 Episode 18: Tyrone is a tour guide for the world's only lava geyser, Old Gushie. When a loose boulder in the cavern threatens to cause a geothermal disaster, Tyrone calls for help. Not one, but three super heroes come to save the day!
- Aired:Jul 11, 2013
- Seasons:4 · Episodes:79
- Country:United States of America, Canada
- Created by: Janice Burgess
- Network:Treehouse TV
