HAHAHAH, that is easy:  Spike and Buffy!!

 Yes, it still should be considered a planet.  The def. of a planet is changing even as I type this.  There are now planetoids.  Okay, that is just too much too much.  Call them planets and be done with it. 

 James Marsters!!  We would go to a beach in Costa Rica and bring our own food.

That's an easy one....................my two daughters.

 VAMPIRES!!!!!

 Saturn or Mars.  I would take my iPod, portable DVD, DVDs, charger, and some food and water.  Oh, and a cute guy!!!

 I would find my long lost love and look into his eyes for one last kiss, then I would spend it with my children.