New images from the upcoming NCIS season 20 finale reveal that Nick Torres, played by Wilmer Valderrama, is in prison, but the reason behind his incarceration remains unclear. The finale, titled "Black Sky," will focus on Torres and leave his future uncertain. NCIS has a history of using shocking cliffhangers, and this season's finale is likely to be no exception. Despite Torres's predicament, the show has been confirmed for a 21st season, giving the writers the freedom to leave his fate open-ended. More details about the finale are expected to be revealed soon.