Searxng/CIA CBS TV show tv TV CIA, the new FBI spin-off starring Tom Ellis, overcomes early setbacks to become a ratings hit for CBS, earning a quick Season 2 renewal. March 24, 2026 AceShowbiz - CIA is proving to be a significant success for CBS, receiving an early renewal for a second season following just five episodes. The new FBI spin-off, starring Tom Ellis alongside Nick Gehlfuss, has captured a strong audience with 8.4 million viewers tuning in during its premiere week across both television and streaming platforms, according to Nielsen ratings.