The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.

The CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.

Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.

When three people confess to killing a family, the team must decide who is telling the truth.

During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.

After multiple attacks on a public tram, the team has just one witness and a lot of questions.

The team meets a blast from the past, with a chance to solve a cold case that has haunted the team for 14 years.

Hank starts taking yoga classes after injuring his back at work; Peggy bags groceries at a mom and pop store that’s having a hard time competing against Megalomart.