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NCIS: Los Angeles - Season 4 Episode 20 - Purity

When cyanide in a communal water jug lethally poisons a lieutenant and leaves a Navy pilot in serious condition, the NCIS: LA team investigates whether this is an isolated incident or an early test for large-scale water contamination.

Genre: Drama , Thriller , Mystery , Crime , Action & Adventure

Director: Shane Brennan

Country: USA

Episode: 92/251 eps

Duration: 44 min

Quality: HD

Release: 2009

IMDb: 6.5

Season 11 - NCIS: Los Angeles
2019-10-13
"Callen and Sam run protection detail for retired Navy Admiral Kilbride in an operation to locate a missing Naval intelligence officer."
2019-10-06
"Faced with multiple cases worldwide, the NCIS team splits up, with Callen and Sam working with Mossad Agent Eliana Sapir in Tel Aviv, and Kensi partnering with DOJ Agent Lance Hamilton in Los Angeles."
2019-09-29
"Callen and Sam work with Navy Capt. Harmon Rabb, Jr. to apprehend spies aboard the USS Allegiance. Also, Hetty partners with Marine Lt. Col. Sarah “Mac” Mackenzie to neutralize a missile attack in the Middle East, and Kensi and Deeks are trapped in a mobile CIA unit in Iraq while under attack by ISIS."
Season 10 - NCIS: Los Angeles
Season 9 - NCIS: Los Angeles
Season 8 - NCIS: Los Angeles
Season 7 - NCIS: Los Angeles
Season 6 - NCIS: Los Angeles
Season 5 - NCIS: Los Angeles
Season 4 - NCIS: Los Angeles
Season 3 - NCIS: Los Angeles
Season 2 - NCIS: Los Angeles
Season 1 - NCIS: Los Angeles