A killer may return to the streets because of a secret from Jesse's past and cost him his job.
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The team investigates when the body of a man murdered in outer space is found.
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Eric Delko returns to work on a case proving if a man on death-row is affirmatively innocent or not.
Natalia's injury jeopardizes her and Ryan, meanwhile, a strange investigation where a man is chopped in half baffles the CSI's.
A pop starlet bursts into flames during her concert thrusting the CSI's to investigate the dark side of the pop star world.
Delko must go up against his old team when he is brought in as an expert defense witness.
Surprises abound as the team investigates the apparent murder of a census worker.
A mysterious woman from Jesse's past returns during an investigation into a murder using jellyfish.
A car accident involving two victims leads to trouble for the Ballard family after the CSI's finally discover what caused the accident.
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Horatio calls Dr. Raymond Langston and says a severed leg was found in the Everglades and it's from a girl that went missing in Las Vegas a week ago.
In order to find the missing groom and solve a murder, the CSI's must recreate a bachelor party.
When several seemingly unrelated deaths turn out to be part of a sudden outbreak of E. coli, Alexx returns to help the team as they race to find the source of it to stop the death toll from rising.
Investor Howard Burgess is Miami's most hated man because he cheated lots of investors out of their money. Once he gets murdered the CSI's track down his killer and find his hidden treasure.
Calleigh's testimony may harm Delko's future, meanwhile three volleyball players die on the court and the CSI team investigates.
Horatio takes point as the negotiator when an armed gunman storms CSI headquarters and takes hostages.
Delko is found comatose, and we are taken back to the year 1997 to when the team first formed.
