Siri has long told stories, but this one is new to me. Bring up Siri, and say:

Tell me a story

Keep going until you get one that starts:

OK…

Once upon a time, in a virtual galaxy far, far away, there was an intelligent young agent by the name of Siri.

You can see the full text in this Cult of Mac article. And you can read about Eliza, referenced in Siri’s story, here.

Love me a good easter egg.