Battlestar Galactica – Revelations (2008-06-13)
D’Anna reveals that there are only four of the Final Five Cylons in the fleet and holds President Roslin hostage while attempting to lure the four out of hiding. After a dramatic entanglement, the humans and Cylons join together and arrive at Earth.
One of the most tense and gripping episodes yet.
Of course starbuck comes up with the final clue in the last second and it turns out that earth is only a single jump from their current location, how convenient.
This is the end of first half of the final season.