Episode Title:Bloodlines.Episode Description:The team bids farewell to Commander Holt, and Kolivan sends Keith on a mission to destroy a super weapon that was being developed by a Galra commander named Ranveig and retrieve one of their operatives. Kolivan stresses the importance of destroying this weapon before it falls into the hands of either of the two warring factions, and warns Keith not to let his emotions cloud his judgement...