The first season of CIA wrapped up on May 4, 2026, bringing together two major storylines that have kept viewers watching since February. The episode, titled “Rare Earth,” aired on CBS at 10 PM ET / 7 PM PT and is now available for next-day streaming on Paramount+.
The season finale did not just focus on one plot. Instead, it connected the mystery of a murdered foreign diplomat with Bill Goodman and Colin’s ongoing search for the mole inside the agency. The result was a tight episode that gave answers while setting clear battle lines for a potential second season.
A Deadly Arrival Leads to a Rare Discovery
The episode starts when a foreign diplomat from Honduras is found dead on the streets of New York City. The man had entered the United States secretly, and no one knew he was even in the country. This immediately raises questions for the team.
Gina Gosian and Nikki Reynard bring Bill and Colin up to speed. The victim’s name is Luis, and he was carrying information about something much bigger than anyone expected. As Colin and Bill dig deeper, they discover that a rare mineral is at the center of the case. This mineral has the power to change international relations, and someone was willing to kill to get control of it.
The case forces Colin to use his usual grey-area methods. He tracks down Luis’s daughter and uses her safety as a way to make Luis talk. Bill, who usually follows the rules strictly, agrees to let Colin do this. Bill watches as Colin promises to bring the daughter to America in exchange for information about who is running the operation. This moment shows how much Bill’s trust in his partner has grown.
The Mole Investigation Moves Closer to Home
While solving the diplomat’s murder takes up much of the episode, the search for the mole is always in the background. Colin has been running his own secret investigation ever since Toni’s death. Near the end of the episode, he invites Bill to his house and shows him a full investigation board. Colin admits he has been looking for the mole for a long time, and he finally decides to trust Bill completely.
Colin believes that Pyramid Security is behind the mole operation. He also thinks the same group was responsible for Toni’s death. Bill agrees to keep the investigation between the two of them, lying to everyone else about what they are doing. This is a big change for Bill, who has always been upfront and honest with his bosses.
The partnership between these two characters has changed completely since the first episode. Bill has stopped seeing Colin as a suspect and now sees him as a friend.
Viewers Are Still Guessing About One Character
Even though the episode gave viewers a lot of answers, it also raised new questions about Nikki Reynard. Her behavior throughout the episode seemed off to many fans. After Gina reported a security breach, Nikki acted in a way that made people suspicious.
Nikki then meets with Jubal from the FBI. She asks him if he has been checking up on Bill, bringing up the names Montana and Toni. Jubal says he does not know what she is talking about and reminds her that Bill now works under the CIA, meaning Jubal cannot ask him about his cases. Nikki leaves, but her reasons for asking are not clear.
Fan reactions online have pointed to Nikki as the most likely mole. Her job gives her access to everything, and she has the power to hide investigations. Some viewers also wonder if Sarah Lloyd, Colin’s girlfriend, could be involved because of her ties to Pyramid Security. The show has not confirmed who the mole is, but the finale made it clear that the person is close to the team.
One viewer review on IMDB said the episode “brought real thrills and urgency” and delivered “solid payoff on the mole hunt arc” after weeks of slow buildup.
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Where to Watch CIA Episode 10
The season finale is available through several options for viewers in different regions.
- United States: The episode aired on CBS on May 4 at 10 PM ET. It is now streaming on Paramount+. Premium subscribers can watch the episode live. Essential plan subscribers can watch it the day after it airs.
- United Kingdom: The series is expected to arrive on Paramount+ UK. International release dates may vary by a few days.
- Canada: Viewers can watch on CBS or stream through Paramount+ Canada.
- Australia: The episode will be available on Paramount+ Australia.
- India: CIA streams on Voot Select and Paramount+ India through the JioCinema app.
The episode runs for approximately 43 minutes without commercials.
Tom Ellis plays Colin, while Nick Gehlfuss plays Bill Goodman. The supporting cast includes Natalee Linez as Nikki Reynard and Necar Zadegan as a recurring character. The series was created by Dick Wolf and David Hudgins, the same team behind the FBI franchise on CBS.
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