The team is led through nine circles of hell on the trail of a serial killer inspired by Dante's Inferno in the unmissable season finale of CSI on Tuesday 23 July, 9pm on Channel 5.
Greg Sanders' first day in the field has him assisting Grissom's investigation of a fatal nightclub shooting. Meanwhile, Catherine probes into the death of a stripper found in a Las Vegas hotel suite. Across town, Warrick is called to an apartment building to investigate possible foul play in the death of a man found electrocuted in his bathtub. Lastly, Nick and Sara investigate a body found buried wearing an alien costume near Area 51. Back in the lab, Greg Sanders' replacement, Chandra, is overwhelmed by the fast-paced world of the CSIs.