Laughter is the best medicine when Casper and Spooky work extra hard at the school's Spooking Bee, the Ghostly Trio have a therapy session with Doc, and everyone experiences the twenty-four minute "flew."
Casper learns a valuable lesson when a rowdy ghost dog follows him home, the Ghostly Trio offer their own version of the ABCs, and Kat decides to study with a new friend.
Some out-of-town visitors are really out of this world, as the Ghostly Trio and Doc discover when they are chased by "Bigfoot", Kat recalls a visit by some spooked scientists, and Casper meets alien ghosts
Casper finds some unbelievable adventures when he joins a group of astronauts orbiting in space, spooks ot his uncles, and joins the living for a day.
It's love at first fright when Stinkie, Fatso and Stretch try to romance the ghost school teacher, the Whipstaff residents introduce themselves, and Casper and the Ghostly Trio spook a TV reporter.