Feeling apprehensive about his first trick-or-treating venture on Halloween, Little Monster joins his Papa on a trek through the neighborhood, where encounters with witches, vampires, and other costumed beings help him overcome his fears.
Bella Legrossi and Boris Kleanitoff, the messiest and cleanest monsters in Booville respectively, do nothing but argue until the night of Harry Beastie's Halloween party.
Linus waits in the pumpkin patch for the Great Pumpkin to appear. He convinces Sally to wait with him and even though they don't see him, they learn that they can have a good time.
The Crayons want to go trick-or-treating, but they're not sure what to say! In a humorous Halloween story, Purple Crayon teaches the rest of the box the magic words to say when they ring their neighbors' doorbells. (Hint: It's NOT "Boo!")
Kimin, a young Korean-American boy, has trouble deciding on a Halloween costume, but as he looks through an old trunk of his grandfather's things, he suddenly unlocks a childhood mystery.
On Halloween, Melly is invited to Cousin Malberta's home for a surprise, but as she walks there on a beautifully spooky evening, she is followed by increasing numbers of creatures that may actually be frightening.