First of all, my favourite Star Wars Rap Vid EVER!!!
http://youtube.com/watch?v=yH8b5ruc_-E

Star Trek VS Star Wars.
http://youtube.com/watch?v=hNxhrPaaCA4

LEGO Star Trek VS Star Wars (sorta funny).
http://youtube.com/watch?v=cJFLgNCDug0

The most accurate depiction of Anakin Skywalker to date.
http://youtube.com/watch?v=byMClFz6w-w

Titanium Rhapsody
http://youtube.com/watch?v=iiqBJNpzWK8

Chunk Vs. Jean Luc
http://youtube.com/watch?v=gwCJmOCTy9c

I have no I-F***ing-dea WHAT this is... but it made me laugh mrgreen !
http://youtube.com/watch?v=1ms65-DEO9Y

And finally, possibly the funniest Power Rangers bit I've seen since the Korean "Gay Ice-Cream Salesman Rainbow" Ranger.
http://www.doubleviking.com/videos/tag/japanese tv/page0.html/7265.html