The Backyardigans Season 4 Episode 12 2009

The Backyardigans Season 4 Episode 12: Scientist Pablo and his assistant accidentally use a growth formula on a worman. Now they need Groundskeeper Tyrone's help to stop the clumsy giant creature!
- Aired:Nov 27, 2011
- Seasons:4 · Episodes:79
- Country:United States of America, Canada
- Created by: Janice Burgess
- Network:Treehouse TV


































