The Berenstain Bear cubs have an adventure on Halloween night that proves Mother's adage, "Appearances can be deceiving."

The six horrible Herdman children create mayhem during Halloween. Annotation. The Herdmans plus Halloween have always spelled disaster. Every year these six kids -- the worst in the history of Woodrow Wilson School, and possibly even the world -- wreak havoc on the whole town. They steal candy, spray-paint kids, and take anything that's not nailed down. Now the mayor has had it. He's decided to cancel Halloween. There won't be any Herdmans to contend...

When trick-or-treaters let their imaginations run wild, ordinary backyard items seem spooky, so that a mud puddle looks like a swamp and tree branches look like skeletons.

A young witch describes what she does on Halloween, her favorite holiday.

Halloween night visitors include a witch, a jack-o-lantern, an owl, a skeleton, and children.

"Carl and Madeleine dress up in costume and go out on a Halloween adventure"--

Arthur the chimpanzee, after worrying that his Halloween costume won't be scary enough, wins a prize for the most original costume in the school.

Arthur finds everything about Halloween scary, including his little sister's costume, his morning snack, and the big house on the corner.

A group of children and a "spirit" go back through time to discover the beginnings of Halloween.