BONES Season 4 Episode 23 “The Girl in the Mask”

Watch a sneak peek of BONES Season 4 Episode 23 “The Girl in the Mask” airing Monday April 23 (8:00-9:00 PM ET/PT) on FOX.

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Episode Synopsis: BONES Season 4 Episode 23 “The Girl in the Mask”

2nd of 2 All-New Episodes Airing This Week

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 (8:00-9:00 PM ET/PT) on FOX.

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