While trick-or-treating, Francine meets an elderly woman with a very mysterious past; Binky finds himself at Mr. Ratburn's amazing haunted house; and Arthur, Buster and Ladonna fear the tree house may be haunted.
You can now watch Arthur and the Haunted Tree House online on the following streaming providers in the United States.
| Writing | Marc Brown | Writer |
| Directing | Marc Brown | Director |