Cartoons that turn out to be a whole dream
There have been a bunch of Mickey Mouse cartoons that turn out to be dreams. List cartoons that turned out to be dreams.
The Kids Next Door episode operation SITTER and that episode of Ed Edd n Eddy where Ed was scared of Jonny.
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There was that episode "To Sheep, Perchance To Dream" of Sheep In The Big City. Each chapter in that ep turned out to be a dream. Oh,there's also that episode of Rugrats where Angelica sues her parents for making her eat broccoli, but it turns out to be a dream.
There's also the Jimmy Neutron episode "Sleepless in Retroville" and the Darkwing Duck episode "Ghoul of my Dreams".