WATCH: Preview Of "Trapped" (Episode 6, Season 15 of NCIS)
In the brand-new episode entitled "Trapped"—which airs Tuesday, Oct. 31 at 8/7c on CBS and CBS All Access— McGee ( Sean Murray) spends hours on the victim's ham radio trying to locate a key witness.
Also, the truth will surface about Special Agent Jacqueline "Jack" Sloane's (Maria Bello) previous work in psychological warfare.
Meanwhile, Palmer ( Brian Dietzen) asks his coworkers to donate to a charity that builds playgrounds for kids of all abilities, and Torres ( Wilmer Valderrama) surprises everyone with his generosity.
Will McGee get to the bottom of his mysterious lead? Will Sloane's past haunt her?
STREAM: Full Episodes Of NCIS On CBS All Access
Watch all-new episodes of NCIS on Tuesdays at 8/7c on CBS and CBS All Access.