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CSI: Crime Scene Investigation fanart Welcome to CSI: Crime Scene Investigation at WatchOnlineFree.TV, a great website for those who love to watch CSI: Crime Scene Investigation online for free. Here you can stream all episodes online without having to downloading any additional software on your computer. If you missed the latest CSI: Crime Scene Investigation episode on TV, make sure to check our website to follow up on this series!


Latest episode, aired 13 days ago.

The End Game
Episode 18
Air Date: Feb 15
Season: 15

The End Game

The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision…

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Under My Skin
Episode 17
Air Date: Feb 15
Season: 15

Under My Skin

The CSI team investigates a murder with ties to two teenaged kidnapped girls.

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The Last Ride
Episode 16
Air Date: Jan 27
Season: 15

The Last Ride

The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.

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Hero to Zero
Episode 15
Air Date: Jan 25
Season: 15

Hero to Zero

The CSI team investigates the murder of a young victim dressed as a superhero.

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Merchants of Menace
Episode 14
Air Date: Jan 25
Season: 15

Merchants of Menace

The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.

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