Leave it to Beavers is the second half of the fourteenth episode in the first season of Stanley.
Stanley and his friends want to build a clubhouse.
- Khylan Jones as Marci and Mimi
- David Landsberg as Mr. Griff
- Rene Mujica as Harry
- Ari Myers as Mrs. Griff
- Shawn Pyfrom as Lionel
- Charles Shaughnessy as Dennis
- Jessica D. Stone as Stanley
- Hynden Walch as Elsie