CSI: Vegas season 3: next episode, recaps, trailer, cast, plot and everything we know about the new season

Paula Newsome as Maxine Roby in CSI: Vegas season 3
(Image credit: Monty Brinton/CBS)

Fans were thrilled to have CSI: Vegas back for a second season so it's no surprise that CBS gave the show the green light for another season. 

The sequel to CSI: Crime Scene Investigation takes viewers inside the crime lab in Sin City, where what happens in Vegas doesn't always stay in Vegas. 

CSI: Vegas season 3 makes the jump to a new day but keeps the same 10 pm ET/PT time slot. 

Here's what we know so far about CSI: Vegas season 3.  

Next episode of CSI: Vegas season 3 

New episodes of CSI: Vegas air Sundays at 10 pm ET/PT on CBS, with new episodes available to stream the following day on Paramount Plus. 

The next new episode of CSI: Vegas airs April 21. Here's what we know:

CSI: Vegas season 3 episode 6: "Atomic City"
"The CSI team investigates a radioactive crime scene that left a father and son dead."

The season finale of CSI: Vegas season 3 airs Sunday, May 19. 

CSI: Vegas season 3 premiered Sunday, February 18. 

We don't have a premiere date for UK viewers but as soon as one is available we'll have it for you right here. 

CSI: Vegas season 3 recaps and episode guide

Keep track of all the CSI: Vegas season 3 recaps and episodes here:

CSI: Vegas season 3 episode 1: "The Reaper"
"With their respected colleague Josh Folsom under arrest for the death of Kahn Schefter – the man responsible for killing Folsom’s mother – the CSI team combs through every crumb of forensic evidence to determine his innocence or guilt."
CSI: Vegas season 3 episode 1 recap

CSI: Vegas season 3 episode 2: "Scar Tissue"
"With their respected colleague Josh Folsom under arrest for the death of Kahn Schefter – the man responsible for killing Folsom’s mother – the CSI team combs through every crumb of forensic evidence to determine his innocence or guilt."

CSI: Vegas season 3 episode 3: "Rat Packed"
"The CSI team is called to investigate when the bodies of Frank Sinatra and Joey Bishop impersonators are discovered behind the drywall of a home construction project; Folsom must face the review board about the future of his career."

CSI: Vegas season 3 episode 4: "Health and Wellness"
"The team investigates the death of a man visiting Las Vegas for a health and wellness convention; a fiery explosion traps Allie Rajan in the basement of an abandoned hospital."

CSI: Vegas season 3 episode 5: "It Was Automation"
"When a mechanic is found murdered in a dark factory, the CSI team investigates whether the perpetrator was human or a humanoid robot with an AI operating system."

CSI: Vegas season 3 cast

The CSI: Vegas season 3 cast includes:

  • Paula Newsome as Maxine Roby
  • Matt Lauria as Joshua Folsom
  • Mandeep Dhillon as Allie Rajan
  • Ariana Guerra as Detective Serena Chavez
  • Jay Lee as Chris Park
  • Lex Medlin as Beau Finado
  • Marg Helgenberger as Catherine Willows

CSI: Vegas season 3 plot

Here's the series description of CSI: Vegas from CBS:

"CSI: Vegas, the sequel to the Network’s global hit CSI: Crime Scene Investigation, returns for a second season in Las Vegas – the city where it all began. Amidst the neon lights and long shadows, dark threats continue to lurk in Sin City. Maxine Roby (Paula Newsome) leads her brilliant team of Crime Scene Investigators – Joshua Folsom (Matt Lauria), Allie Rajan (Mandeep Dhillon), Detective Serena Chavez (Ariana Guerra), Chris Park (Jay Lee) and Beau Finado (Lex Medlin) – as they use science to solve baffling cases. Catherine Willows (Marg Helgenberger) returns to help the CSIs face off with a dealer of death who is planning to beat the odds in Las Vegas. This combined force will deploy the latest forensic techniques to do what they do best – follow the evidence – in order to preserve and serve justice in Sin City."

CSI: Vegas season 3 trailer

Take a look at the CSI: Vegas season 3 trailer below:

How to watch CSI: Vegas season 3

CSI: Vegas season 3 airs on CBS, which is part of most cable plans. If you’ve cut the cord, you can watch the show live and on-demand through Paramount Plus.  You can watch CBS on streaming platforms like FuboTV, Sling TV and Hulu

You can catch the first two seasons of the show on Paramount Plus. 

CSI: Vegas will be available on Sky Atlantic and the streaming service NOW with an Entertainment Membership for just £9.99.

Sarabeth Pollock
Editorial Content Producer

 

Sarabeth joined the What to Watch team in May 2022. An avid TV and movie fan, her perennial favorites are The Walking Dead, American Horror Story, true crime documentaries on Netflix and anything from Passionflix. You’ve Got Mail, Ocean's Eleven and Signs are movies that she can watch all day long. She's also a huge baseball fan, and hockey is a new favorite.  


When she's not working, Sarabeth hosts the My Nights Are Booked Podcast and a blog dedicated to books and interviews with authors and actors. She also published her first novel, Once Upon an Interview, in 2022.