The #1 TV franchise in the world returns with a brand new season! Last season, Dr. Raymond Langston’s life was left hanging in the balance when serial killer Nate Haskell attacked him. Find out what happens next as the team returns to solve more crimes the old fashioned way - by examining the evidence.

Multi-Platinum singing sensation Justin Bieber makes his acting debut as a guest star in the Season 11 premiere as a troubled teen who ends up in an explosive situation with the CSIs.

The role was Bieber’s acting debut and featured the pop star playing a kid whose brother had been killed by the CSIs at the end of season 11. This reprisal, which is currently being shot, finds series regular Nick (George Eads) tipping Bieber’s Jason off that he’s in "imminent danger".