Casper the Friendly Ghost doesn't like to haunt and wishes he could be in Mother Gooseland. He gets his wish and frightens the spider away from Little Miss Muffet. He them comes upon the old lady in the shoe but frightens her away, also. He is depressed, but when he rescues Red Riding Hood from the wold, Mother Goose rewards him by making up a rhyme about him.
Casper the Friendly Ghost attends a premiere of one of his own cartoons and is interviewed in the lobby. He is asked how he happened to become a movie star, and gives a lively account of his Hollywood venture. The telephone operators, who have never seen a ghost before, flee in panic, and so do the script writers, animators and color artists.
Two writers at Paramount Cartoon Studios try to think of good stories for Casper the Friendly Ghost. They review scenes from "Casper's Spree Under The Sea," "Once Upon A Rhyme" and "To Boo Or Not To Boo." Eventually Casper himself emerges from a poster on the wall and scares the writers away. Casper explains that he thought up that gag to end the cartoon!
Spooky and Casper have the ballpark all to themselves, except that Casper has a date to take Wendy to the beach. Spooky is angry and plays mean tricks on them- first with a giant crab, then with an octopus. Wendy angrily blames Casper for all of Spooky's tricks and demands to be taken home. Wendy the Good Little Witch makes her first and only appearance through the theatrical shorts.
Mr. McGregor goes to the Wowie Employment Agency to hire a Ghost (voiced by Jack Mercer) to haunt his mansion while he’s on vacation.
Depressed by the antics of the other ghosts, Casper leaves home to make friends. After unintentionally scaring several potential pals, Casper befriends two young children. They take him home, where Casper frightens their mother. Casper is again upset because he believes that he will always scare away his potential buddies. However, Casper scares away a banker who is coming to foreclose on the woman's house, and this wins her heart for Casper.