Watch CSI Season 11 Online
Watch CSI Season 11 full episodes online, free and paid options via our partners and affiliates.
![CSI Season 11 Finale Pic](https://tv-fanatic-res.cloudinary.com/iu/s--lCdbc6oD--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371220237/csi-season-11-finale-pic.png)
After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began, on the eleventh season finale.
![CSI Turns 250](https://tv-fanatic-res.cloudinary.com/iu/s--pDxUwbB4--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371220033/csi-turns-250.png)
This is the 250th episode of CSI. In it, Langston becomes more determined than ever to track down Nake Haskell.
![Disturbing Return](https://tv-fanatic-res.cloudinary.com/iu/s--NgmEVIiD--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371219402/disturbing-return.png)
Nate Haskell, the notorious "Dick & Jane" killer, resurfaces when he e-mails a disturbing video to the father of one of his brides, threatening to take her life.
![Return of Lady Heather](https://tv-fanatic-res.cloudinary.com/iu/s--9Zt0VsJA--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371219150/return-of-lady-heather.png)
It's the return of Melinda Clarke. This actress reprises her role of Lady Heather on this CSI episode.
![Shot of Langston](https://tv-fanatic-res.cloudinary.com/iu/s--ekpbNTTb--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371219018/shot-of-langston.png)
A string of death takes over CSI this week. Has the team run across the cycle of homicide, a suicide, an accidental and a natural death all in one night?
![The List Scene](https://tv-fanatic-res.cloudinary.com/iu/s--iLd6AV7X--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371218811/the-list-scene.png)
An ex-cop is murdered in prison this week. The CSI team looks into the case and stumbles upon an interesting clue.
![From Turn On, Tune In, Drop Dead](https://tv-fanatic-res.cloudinary.com/iu/s--qkibYuOs--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371218367/from-turn-on-tune-in-drop-dead.png)
Zombie alert! Zombie alert! On this episode of CSI, two men initially pronounced dead somehow come back to life.
![Back on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--eMJwqBD3--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371217835/back-on-csi.png)
Justin Bieber is back for this episode of CSI. His character, a troubled teen, interacts with Nick.
![Tracee Ellis Ross on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--WEpLHEsN--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371217834/tracee-ellis-ross-on-csi.png)
Langston's wife pays a surprise visit to CSI this week. The character is played by Tracee Ellis Ross.
![Marlee Matlin on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--lWjn_aQ_--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371217601/marlee-matlin-on-csi.png)
Marlee Matlin guest stars this week as Grissom's ex, while Phyllis Frelich comes on board as his mother. The episode's investigation centers on the death of the director of a scholarship foundation.
![Dita Von Teese on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--TSOBDD4b--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371217136/dita-von-teese-on-csi.png)
Dita Von Teese makes her first appearance on CSI this week. She plays a school teacher and forensics enthusiast who gets asked out by Nick.
![Carot Top on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--XDvnibGw--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371217135/carot-top-on-csi.png)
Carot Top guest starred on the first CSI episode of 2011. Read on for a detailed rundown of "Man Up."
![Catherine and Nick](https://tv-fanatic-res.cloudinary.com/iu/s--pq5OTT7l--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371216143/catherine-and-nick.png)
The team sets out to track down a pedophile this week. The man is suspected of killing a FBI agent's wife and also of kidnapping his children.
![Sara and Greg](https://tv-fanatic-res.cloudinary.com/iu/s--hAiqB8_q--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371215888/sara-and-greg.png)
The unit attempts to determine whether or not a man's fall off a balcony was suicide or murder. Such a question makes for an interesting case on "Wild Life."
![Reed, Langston and Stokes](https://tv-fanatic-res.cloudinary.com/iu/s--9q1LYT3_--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371215663/reed-langston-and-stokes.png)
Detective Reed joins Langston and Stokes this week as they investigate the murder of two men. The victims were set to accuse a company of poisoning the drinking water of a farming town.
![Nick Investigates](https://tv-fanatic-res.cloudinary.com/iu/s--YtlngyED--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371215393/nick-investigates.png)
The team discovers shredded remains of a man this week. As a result, members find themselves with various suspects and must determine the true culprit.
![As Frankie Reed](https://tv-fanatic-res.cloudinary.com/iu/s--ab14nmsr--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214901/as-frankie-reed.png)
Welcome to CSI, Katee Sackhoff! That actress debuted this week as a new detective, Frankie Reed. She assists the CSI team.
![So Much Hoarding](https://tv-fanatic-res.cloudinary.com/iu/s--rtzygwRr--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214918/so-much-hoarding.png)
The CSI team looks into a murder at the home of Marta, someone considered a "level 5 hoarder" on this episode. Her house contains more than just possessions: there's more than one corpse.
![Ann-Margaret on CSI](https://tv-fanatic-res.cloudinary.com/iu/s--Qy9sRvnH--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214685/ann-margaret-on-csi.png)
Ann-Margaret guest stars on this episode of CSI. She plays a Vegas icon who is targeted by a serial killer.
![Getting Sexy and Serious](https://tv-fanatic-res.cloudinary.com/iu/s--a4p9bqwa--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214459/getting-sexy-and-serious.png)
CSI joins in on the vampire craze this week. On the episode "Blood Moon," major violence breaks out during a convention.
![Catherine and Sara](https://tv-fanatic-res.cloudinary.com/iu/s--2YATlgZf--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214156/catherine-and-sara.png)
Catherine and Sara look into the death of a woman killed in a Las Vegas pool on this episode. Read on for a detailed recap of where things go from there.
![As Jason McCann](https://tv-fanatic-res.cloudinary.com/iu/s--7sMbojGd--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1371214155/as-jason-mccann.png)
Justin Bieber helped welcome fans to season 11 of CSI. He guest-starred on this episode, which we've provided a full recap of.