Battlestar Galactica (2004–2009) 
When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protects a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony of Earth.
Battlestar Galactica: Act of Contrition Season 1, Episode 4
After a hangar accident that kills thirteen pilots, Starbuck is assigned to quickly train replacements from the civilian population. This brings back painful memories of her fiancé, Zak Adama, whose death she feels responsible for because she had given him a passing flight exam knowing he wasn't ready.
Battlestar Galactica: Bastille Day Season 1, Episode 3
President Roslin sends a delegation led by Apollo to the Astral Queen to solicit help from its 1,500 prisoners in extracting water from a recently discovered source on a nearby moon. Those who agree to help will earn "points" towards early freedom.
Battlestar Galactica: Water Rewatch Season 1, Episode 2
As President Laura Roslin makes a ceremonial visit to the Galactica, several explosions occur in the battlestar's potable water tanks, venting the bulk of its vital water stores into space. [more inside]
Battlestar Galactica: 33 Rewatch Season 1, Episode 1
Having fled the besieged Ragnar Anchorage, the convoy of refugee spaceships is relentlessly pursued and attacked by Cylon Basestars. The colonial fleet must execute a faster-than-light (FTL) jump every 33 minutes to escape the Cylons, who consistently arrive at the new jump coordinates 33 minutes later. After over 130 hours and 237 jumps, the fleet's crew and passengers, particularly those aboard Galactica, have been operating without sleep while facing the strain of nearly constant military action. [more inside]