Watch CSI: Immortality (2015) HD Full Movie Free on SolarMovie. Watch CSI: Immortality (2015) online free. An explosion inside a casino brings Catherine Willows back to Las Vegas to investigate. And when the...An explosion inside a casino brings Catherine Willows back to Las Vegas to investigate. And when the crime is tied to Lady Heather, Gil Grissom is brought back as well to aid the investigation.