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But in A SONG IS BORN, the encyclopedia is one of music, and the professors are motivated to go out in the world when they discover they've missed the jazz revolution; in BALL OF FIRE, it's a regular encyclopedia, and their English professor is horrified to discover his entry on slang has been jossed by reality.
So I've had this plot bunny for ages, and I finally realised I'm never going to finish it to my satisfaction, at least not before it gets jossed by this show or this movie.
Sometimes the dioramas get jossed* by you if you, for instance, decide to decorate that little room on the second floor.
*jossed = to have a story, which followed canon, become non-canonical by events in a new episode.
Author’s Notes: So clearly I got jossed within the first ten seconds of “Conversion.”