DON'T MISS: "Bones" series finale - Have the tissues ready, Boneheads. After 12 seasons, 246 episodes and 370 corpses, the longest-running drama in Fox history bids farewell. In the final hour, which was directed by series co-star David Boreanaz, Kovac is still at large and the team frantically looks for evidence to track him down. And when Brennan experiences a setback, they must figure out how to find the cold-blooded killer without her, putting everything she has ever taught them to the test. 9 p.m. Tuesday, Fox.