After weeks of running for their lives, the fleet takes time out for the truly important stuff - politics! I mean, come on! It's Colonial Day! We can't not celebrate the 52nd anniversary of the signing of the Articles of Colonization, even if the Cylons have nearly wiped out the species. Even our good buddy Gaius gets into the spirit of the day - and maybe gets a little more responsibility than he bargained for.
Also, Andrea swears that Kobol spelled backward is Earth, and that's the key to the whole mystery.