Saffi's Treehouse Bob the Builder : Season 19 Episode 7

Saffi declares that Wendy is her hero and asks her to build a treehouse for the Spring City Rockets' first club meeting. Saffi tries to help Wendy, but her assistance only causes more problems. When Saffi uses the treehouse before it's ready, it begins to collapse with the Rockets' trophy inside. In an effort to save the trophy, Wendy heroically repels from a tree and retrieves it. Together, Wendy and the team rebuild the treehouse.