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Watch CSI Season 10 full episodes online, free and paid options via our partners and affiliates.
The entire CSI unit is in danger on this season finale. Not all of them will survive, thanks to their proximity to the Dr. Jekyll serial killer.
Langston is considered a suspect in the Dr. Jekyll murder investigation this week. Nick visits his boss at home, after this news gets out.
Tough work for Catherine this week: she must interrogate the mother of a family who disappeared off of a roadside in Las Vegas. A shooting also takes place at CSI headquarters.
A comedian is found dead this week. As a result, Captain Brass, Nick and Greg look into the murder, which took place in Las Vegas.
The team investigates a murder at Lindsey's school this week. The episode is titled "World's End."
There's one piece of major news when CSI kicks off its 10th season: Sara is back!