When Lucifer and Chloe investigate the death of a woman, they discover that they may be pursuing the wrong suspect. Then, Charlotte risks her safety when she decides to take…

Armek, a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor. Hank and Supergirl determine the best way to…

A wild night in Las Vegas has the CSIs simultaneously investigating four fatalities. Greg Sanders’ first day in the field has him assisting Grissom’s investigation of a fatal nightclub shooting….