Bones (4.23): The Girl in the Mask

Brennan and Booth investigate after the sister of Booth's detective friend Ken goes missing. After her decapitated head is found, Ken joins Brennan and Booth to help solve her murder.

Air Date: Thursday, April 23, 2009

• Booth's detective friend, Ken Nakamura, calls him from Tokyo in a panic when his sister Sachi goes missing in Washington. Booth and Brennan are on the case, and their investigation leads them to a canal where they find Sachi's decapitated head.
• Booth and Brennan meet up with Ken and trace his sister's life away from home, and their investigation leads them to an elite escort service. When they discover that her roommate is also missing, they must race against the clock to find Sachi's killer in "The Girl in the Mask" episode of BONES airing Thursday, April 23
• We'll be meeting Bones' Japanese she-male doppelgänger. (For reals.) Look for a character named Asa Tanaka who is Japan's leading forensic anthropologist but whose gender is indistinguishable, which confuses the Jeffersonian team when they join forces with Asa to solve the murder of a Japanese national. Source: Kristin on E!Online
• Cast: Emily Deschanel as Dr. Temperance Brennan; David Boreanaz as FBI Special Agent Seeley Booth; TJ Thyne as Dr. Jack Hodgins; Michaela Conlin as Angela Montenegro; Tamara Taylor as Dr. Camille "Cam" Saroyan; John Francis Daley as Dr. Lance Sweets
• Guest Cast: Brian Tee as Ken Nakamura; Ally Maki as Dr. Haru Tanaka; Robert Wu as James Sok; Bumper Robinson as Micah Strutt; Yuji Okumoto as Bruce Takedo; Jina Song as Masseuse; Larry Clarke as Paul Vogler; Katherine Kamhi as Officer Lisa Kopek; Jane Park Smith as Nozomi Sato