If you have something Funny and genre-related that you'd like to see in the Arbitrary Amusement box, send a link to an Admin, so we can link or embed it in the box.
Here's the first Arbitrary Amusement (which we reverted to, between other offerings in 2010. From 2011 on, I think we'll just let each new entry run until it is replaced)
Sci-fi Geek-off: John Hodgman vs. Patton Oswalt
And here is the current Arbitrary Amusement [Dec 22, 2010]:
Shatner stole Nimoy's bike