Third Watch - Season 4 - Eps 22: The Price of Nobility
Maritza's reckless pursuit of Buford triggers a horrific car accident that leads to multiple injuries to motorists, and triggers an explosion that severely injures Lt. Johnson and kills Alex Taylor; Doc and Kim get to the top of the promotion list; Maritza hangs Bosco and Nunez out to dry over the murder Noble committed; Doc's overwhelming guilt and grief over Alex's death leads him to a career decision; Maritza discovers that Faith has agreed to help Bosco clear Nunez by getting Noble's gun, and goes to Noble's place to intercept her, followed by Bosco and Noble; when Bosco insists on arresting Noble and Faith refuses to turn over the gun, Maritza draws on Faith, Bosco and Faith draw on Maritza, and three shots ring out.
About Third Watch

Title: Third Watch
First Air Date: 1999-09-23
Last Air Date: 2005-05-06
Status: Ended
Rating: 7.9/10 (from 213 votes)
Language: EN
Seasons: 7
Total Episodes: 131
Network: NBC
Genres: Drama, Crime
Production Companies: John Wells Productions, Warner Bros. Television
Synopsis
The exploits of a group of men and women who serve the City of New York as police officers, firemen, and paramedics, all working the same fictional 55th precinct during the 3pm to 11pm shift - the 'Third Watch'.
Cast

Coby Bell
Tyrone Davis Jr.

Nia Long
Sasha Monroe

Molly Price
Faith Yokas

Anthony Ruivivar
Carlos Nieto

Skipp Sudduth
John Sullivan

Tia Texada
Maritza Cruz

Jason Wiles
Maurice Boscorelli

Cara Buono
Grace Foster

Josh Stewart
Brendan Finney