S04E19: 'Daybreak - Part One'

Before the feature-length show finale is the last regular episode, which promises plenty of bloodshed and stunning revelations. Have those hankies on standby! It's going to be fracking emotional. Prepare yourself for the following:

Number Six, the one who hangs around with Baltar, promises that the end of humanity is very close.

Cavil and his fellow Cylon rebels hold Hera captive.

Adama formally addresses members of the fleet and forces them to make a choice.

The members of the fleet can either join Adama in the hunt for Hera or stay put.

Adama takes Galactica on its final mission, although there are fears that it won't last the pace. The Admiral believes it is a one way journey.