Question: Lucy Alexis Liu stars as Dr. Joan Watson in which American procedural drama series in 2012?

Context articles: Gone (TV series)
9-1-1 (TV series)
Lucy Liu
The Chinese Detective
APB (TV series)
The Finder (U.S. TV series)
UC: Undercover
Mercedes Masohn
Wicked City (TV series)
Elementary (TV series)

Gone is an upcoming American procedural drama series, which is slated to premiere as part of the 2017–18 United States network television schedule.
 Based on Chelsea Cain's novel "One Kick", the series is created by Matt Lopez.
 While being set at international TV channels TF1 in France and RTL Televisions sister network VOX in Germany, a US network is still not set.
9-1-1 is an upcoming American procedural drama that is set for a midseason premiere on Fox during the 2017–18 television season.
 Created by Ryan Murphy and Brad Falchuk, the series follows the lives of first responders: cops, paramedics and firefighters.
 The 13-episode first season will star Angela Bassett.
Lucy Alexis Liu (born Lucy Liu; December 2, 1968) is an American actress, voice actress, director, producer, singer and artist.
 She became known for playing the role of the vicious and ill-mannered Ling Woo in the television series "Ally McBeal" (1998–2002), for which she was nominated for a Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series and a Screen Actors Guild Award for Outstanding Performance by a Female Actor in a Comedy Series.
 Liu's film work includes starring as one of the heroines (Alex Munday) in "Charlie's Angels" (2000), portraying O-Ren Ishii in "Kill Bill" (2003), and starring roles in the main casts of "Payback" (as Pearl; 1999), "Chicago" (as Kitty Baxter; 2002), and the animated film series "Kung Fu Panda" (2008–present) portraying the character Master Viper.
The Chinese Detective is a British television police procedural drama series, first transmitted by the BBC between 1981 and 1982.
 The series was created by Ian Kennedy Martin, who had previously devised "The Sweeney" and "Juliet Bravo".
 The series starred British Chinese actor David Yip as Detective Sergeant John Ho, the first Chinese lead actor in a British television drama series.
 The series offered traditional police procedural storylines in a setting of occasional prejudice and distrust within the police force, and the prejudice displayed by those Ho encounters whilst doing his job.
 Like many other television detectives of the time, Ho was something of a maverick, often using unorthodox methods to solve crimes.
 The series was set in and around London's docklands, before redevelopment began in the 1980s.
APB (short for "all-points-bulletin") is an American procedural drama that aired on Fox from February 6, to April 24, 2017.
 A first trailer was released on May 16, 2016.
The Finder is an American procedural drama television series created by Hart Hanson that ran on Fox from January 12, 2012 to May 11, 2012.
 The series originally aired on Thursdays at 9:00 pm, and moved to Fridays at 8:00 pm beginning April 6, 2012.
 It is a spin-off of another Fox television series, "Bones".
 The backdoor pilot, entitled "The Finder", aired in its sixth season.
 It is loosely based on "The Locator" series of two books by Richard Greener.
UC: Undercover is an American procedural drama television series created by Shane Salerno and Don Winslow.
 The series premiered on the NBC network on September 30, 2001.
 The series ran for one season of 13 episodes, finishing its run on March 23, 2002.
 It focused on the secret lives and private demons of an elite Justice Department crime-fighting unit that confronted the United States' deadliest, most untouchable lawbreakers by going undercover to bust them.
Mercedes Mason ( ; born Masöhn), Born 1983) is a Swedish actress known for playing the role of Zondra in the American television series "Chuck" and the role of Isabel Zambada in the American procedural drama "The Finder".
 She starred in the 2011 American horror film "".
 She played Louise Leonard in the 2012–13 American supernatural drama "666 Park Avenue" and Talia Del Campo in "".
 She is currently a regular on AMC's television series "Fear the Walking Dead".
Wicked City is an American procedural drama television series created by Steven Baigelman for the broadcast network ABC.
 The series aired from October 27, 2015 to December 30, 2015, and focused on two LAPD detectives (Jeremy Sisto and Gabriel Luna) as they search for a pair of romantically-linked serial killers (Ed Westwick and Erika Christensen) terrorizing the Sunset Strip.
 The main cast also includes Taissa Farmiga, Karolina Wydra, Evan Ross, Anne Winters, and Jaime Ray Newman.
Elementary is an American procedural drama series that presents a contemporary update of Sir Arthur Conan Doyle's character Sherlock Holmes.
 The series was created by Robert Doherty and stars Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Dr. Joan Watson.
 The series premiered on CBS on September 27, 2012.
 The series is set and filmed primarily in New York City.